Home / 1,247,712.16-1,719,820.56-975,298.72

Finding the Fourth Proportional to 1,247,712.16, 1,719,820.56 and 975,298.72

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Solution

The fourth proportional to 1,247,712.16, 1,719,820.56 and 975,298.72 is: 1,344,331.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,712.16 : 1,719,820.56 = 975,298.72 : x
  2. Step 2: Convert to fraction form
    1,247,712.16/1,719,820.56 = 975,298.72/x
  3. Step 3: Cross multiply
    1,247,712.16x = 1,719,820.56 × 975,298.72
  4. Step 4: Simplify right side
    1,247,712.16x = 1,677,338,790,797.68
  5. Step 5: Solve for x
    x = 1,677,338,790,797.68/1,247,712.16
  6. Step 6: Final answer
    x = 1,344,331.52

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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.