Home / 1,370,700.83-2,055,385.16-687,294.08

Finding the Fourth Proportional to 1,370,700.83, 2,055,385.16 and 687,294.08

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Solution

The fourth proportional to 1,370,700.83, 2,055,385.16 and 687,294.08 is: 1,030,607.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,700.83 : 2,055,385.16 = 687,294.08 : x
  2. Step 2: Convert to fraction form
    1,370,700.83/2,055,385.16 = 687,294.08/x
  3. Step 3: Cross multiply
    1,370,700.83x = 2,055,385.16 × 687,294.08
  4. Step 4: Simplify right side
    1,370,700.83x = 1,412,654,049,159.50
  5. Step 5: Solve for x
    x = 1,412,654,049,159.50/1,370,700.83
  6. Step 6: Final answer
    x = 1,030,607.13

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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.