Home / 1,679,341.52-2,317,445.16-915,410

Finding the Fourth Proportional to 1,679,341.52, 2,317,445.16 and 915,410

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Solution

The fourth proportional to 1,679,341.52, 2,317,445.16 and 915,410 is: 1,263,240.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,341.52 : 2,317,445.16 = 915,410 : x
  2. Step 2: Convert to fraction form
    1,679,341.52/2,317,445.16 = 915,410/x
  3. Step 3: Cross multiply
    1,679,341.52x = 2,317,445.16 × 915,410
  4. Step 4: Simplify right side
    1,679,341.52x = 2,121,412,473,915.60
  5. Step 5: Solve for x
    x = 2,121,412,473,915.60/1,679,341.52
  6. Step 6: Final answer
    x = 1,263,240.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.