Home / 1,232,390.90-1,700,407.97-715,837.86

Finding the Fourth Proportional to 1,232,390.90, 1,700,407.97 and 715,837.86

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Solution

The fourth proportional to 1,232,390.90, 1,700,407.97 and 715,837.86 is: 987,686.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,390.90 : 1,700,407.97 = 715,837.86 : x
  2. Step 2: Convert to fraction form
    1,232,390.90/1,700,407.97 = 715,837.86/x
  3. Step 3: Cross multiply
    1,232,390.90x = 1,700,407.97 × 715,837.86
  4. Step 4: Simplify right side
    1,232,390.90x = 1,217,216,402,371.74
  5. Step 5: Solve for x
    x = 1,217,216,402,371.74/1,232,390.90
  6. Step 6: Final answer
    x = 987,686.94

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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.