Home / 1,031,000.05-1,546,500.08-898,139.80

Finding the Fourth Proportional to 1,031,000.05, 1,546,500.08 and 898,139.80

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Solution

The fourth proportional to 1,031,000.05, 1,546,500.08 and 898,139.80 is: 1,347,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,000.05 : 1,546,500.08 = 898,139.80 : x
  2. Step 2: Convert to fraction form
    1,031,000.05/1,546,500.08 = 898,139.80/x
  3. Step 3: Cross multiply
    1,031,000.05x = 1,546,500.08 × 898,139.80
  4. Step 4: Simplify right side
    1,031,000.05x = 1,388,973,272,551.18
  5. Step 5: Solve for x
    x = 1,388,973,272,551.18/1,031,000.05
  6. Step 6: Final answer
    x = 1,347,209.70

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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.