Home / 1,279,999.04-1,766,393.28-707,039.21

Finding the Fourth Proportional to 1,279,999.04, 1,766,393.28 and 707,039.21

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Solution

The fourth proportional to 1,279,999.04, 1,766,393.28 and 707,039.21 is: 975,711.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,999.04 : 1,766,393.28 = 707,039.21 : x
  2. Step 2: Convert to fraction form
    1,279,999.04/1,766,393.28 = 707,039.21/x
  3. Step 3: Cross multiply
    1,279,999.04x = 1,766,393.28 × 707,039.21
  4. Step 4: Simplify right side
    1,279,999.04x = 1,248,909,313,656.49
  5. Step 5: Solve for x
    x = 1,248,909,313,656.49/1,279,999.04
  6. Step 6: Final answer
    x = 975,711.14

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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.