Home / 1,347,607.40-2,021,411.10-400,855.10

Finding the Fourth Proportional to 1,347,607.40, 2,021,411.10 and 400,855.10

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Solution

The fourth proportional to 1,347,607.40, 2,021,411.10 and 400,855.10 is: 601,282.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,607.40 : 2,021,411.10 = 400,855.10 : x
  2. Step 2: Convert to fraction form
    1,347,607.40/2,021,411.10 = 400,855.10/x
  3. Step 3: Cross multiply
    1,347,607.40x = 2,021,411.10 × 400,855.10
  4. Step 4: Simplify right side
    1,347,607.40x = 810,292,948,631.61
  5. Step 5: Solve for x
    x = 810,292,948,631.61/1,347,607.40
  6. Step 6: Final answer
    x = 601,282.65

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Double scale
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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.