Home / 1,283,864.20-1,771,710.95-710,892.07

Finding the Fourth Proportional to 1,283,864.20, 1,771,710.95 and 710,892.07

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Solution

The fourth proportional to 1,283,864.20, 1,771,710.95 and 710,892.07 is: 981,019.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,864.20 : 1,771,710.95 = 710,892.07 : x
  2. Step 2: Convert to fraction form
    1,283,864.20/1,771,710.95 = 710,892.07/x
  3. Step 3: Cross multiply
    1,283,864.20x = 1,771,710.95 × 710,892.07
  4. Step 4: Simplify right side
    1,283,864.20x = 1,259,495,264,687.17
  5. Step 5: Solve for x
    x = 1,259,495,264,687.17/1,283,864.20
  6. Step 6: Final answer
    x = 981,019.07

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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.