Home / 1,280,618.86-1,767,254.66-707,659.04

Finding the Fourth Proportional to 1,280,618.86, 1,767,254.66 and 707,659.04

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Solution

The fourth proportional to 1,280,618.86, 1,767,254.66 and 707,659.04 is: 976,569.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,618.86 : 1,767,254.66 = 707,659.04 : x
  2. Step 2: Convert to fraction form
    1,280,618.86/1,767,254.66 = 707,659.04/x
  3. Step 3: Cross multiply
    1,280,618.86x = 1,767,254.66 × 707,659.04
  4. Step 4: Simplify right side
    1,280,618.86x = 1,250,613,736,131.13
  5. Step 5: Solve for x
    x = 1,250,613,736,131.13/1,280,618.86
  6. Step 6: Final answer
    x = 976,569.83

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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.