Home / 1,283,897.43-1,771,756.80-710,925.30

Finding the Fourth Proportional to 1,283,897.43, 1,771,756.80 and 710,925.30

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Solution

The fourth proportional to 1,283,897.43, 1,771,756.80 and 710,925.30 is: 981,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,897.43 : 1,771,756.80 = 710,925.30 : x
  2. Step 2: Convert to fraction form
    1,283,897.43/1,771,756.80 = 710,925.30/x
  3. Step 3: Cross multiply
    1,283,897.43x = 1,771,756.80 × 710,925.30
  4. Step 4: Simplify right side
    1,283,897.43x = 1,259,586,734,567.04
  5. Step 5: Solve for x
    x = 1,259,586,734,567.04/1,283,897.43
  6. Step 6: Final answer
    x = 981,064.92

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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.