Home / 1,280,695.92-1,767,290.70-707,699.13

Finding the Fourth Proportional to 1,280,695.92, 1,767,290.70 and 707,699.13

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Solution

The fourth proportional to 1,280,695.92, 1,767,290.70 and 707,699.13 is: 976,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,695.92 : 1,767,290.70 = 707,699.13 : x
  2. Step 2: Convert to fraction form
    1,280,695.92/1,767,290.70 = 707,699.13/x
  3. Step 3: Cross multiply
    1,280,695.92x = 1,767,290.70 × 707,699.13
  4. Step 4: Simplify right side
    1,280,695.92x = 1,250,710,090,847.09
  5. Step 5: Solve for x
    x = 1,250,710,090,847.09/1,280,695.92
  6. Step 6: Final answer
    x = 976,586.30

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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.