Home / 1,280,614.86-1,767,249.16-707,655.04

Finding the Fourth Proportional to 1,280,614.86, 1,767,249.16 and 707,655.04

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Solution

The fourth proportional to 1,280,614.86, 1,767,249.16 and 707,655.04 is: 976,564.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,614.86 : 1,767,249.16 = 707,655.04 : x
  2. Step 2: Convert to fraction form
    1,280,614.86/1,767,249.16 = 707,655.04/x
  3. Step 3: Cross multiply
    1,280,614.86x = 1,767,249.16 × 707,655.04
  4. Step 4: Simplify right side
    1,280,614.86x = 1,250,602,768,822.51
  5. Step 5: Solve for x
    x = 1,250,602,768,822.51/1,280,614.86
  6. Step 6: Final answer
    x = 976,564.31

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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.