Home / 779,871.20-1,169,806.80-707,554.40

Finding the Fourth Proportional to 779,871.20, 1,169,806.80 and 707,554.40

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Solution

The fourth proportional to 779,871.20, 1,169,806.80 and 707,554.40 is: 1,061,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,871.20 : 1,169,806.80 = 707,554.40 : x
  2. Step 2: Convert to fraction form
    779,871.20/1,169,806.80 = 707,554.40/x
  3. Step 3: Cross multiply
    779,871.20x = 1,169,806.80 × 707,554.40
  4. Step 4: Simplify right side
    779,871.20x = 827,701,948,489.92
  5. Step 5: Solve for x
    x = 827,701,948,489.92/779,871.20
  6. Step 6: Final answer
    x = 1,061,331.60

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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.