Home / 1,490,816.40-2,236,224.60-368,885.40

Finding the Fourth Proportional to 1,490,816.40, 2,236,224.60 and 368,885.40

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Solution

The fourth proportional to 1,490,816.40, 2,236,224.60 and 368,885.40 is: 553,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,816.40 : 2,236,224.60 = 368,885.40 : x
  2. Step 2: Convert to fraction form
    1,490,816.40/2,236,224.60 = 368,885.40/x
  3. Step 3: Cross multiply
    1,490,816.40x = 2,236,224.60 × 368,885.40
  4. Step 4: Simplify right side
    1,490,816.40x = 824,910,606,060.84
  5. Step 5: Solve for x
    x = 824,910,606,060.84/1,490,816.40
  6. Step 6: Final answer
    x = 553,328.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.