Home / 1,251,483.70-1,727,081.52-707,700.88

Finding the Fourth Proportional to 1,251,483.70, 1,727,081.52 and 707,700.88

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Solution

The fourth proportional to 1,251,483.70, 1,727,081.52 and 707,700.88 is: 976,646.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,483.70 : 1,727,081.52 = 707,700.88 : x
  2. Step 2: Convert to fraction form
    1,251,483.70/1,727,081.52 = 707,700.88/x
  3. Step 3: Cross multiply
    1,251,483.70x = 1,727,081.52 × 707,700.88
  4. Step 4: Simplify right side
    1,251,483.70x = 1,222,257,111,535.74
  5. Step 5: Solve for x
    x = 1,222,257,111,535.74/1,251,483.70
  6. Step 6: Final answer
    x = 976,646.45

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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.