Home / 1,447,666.76-2,171,500.14-991,808.48

Finding the Fourth Proportional to 1,447,666.76, 2,171,500.14 and 991,808.48

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Solution

The fourth proportional to 1,447,666.76, 2,171,500.14 and 991,808.48 is: 1,487,712.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,666.76 : 2,171,500.14 = 991,808.48 : x
  2. Step 2: Convert to fraction form
    1,447,666.76/2,171,500.14 = 991,808.48/x
  3. Step 3: Cross multiply
    1,447,666.76x = 2,171,500.14 × 991,808.48
  4. Step 4: Simplify right side
    1,447,666.76x = 2,153,712,253,173.19
  5. Step 5: Solve for x
    x = 2,153,712,253,173.19/1,447,666.76
  6. Step 6: Final answer
    x = 1,487,712.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.