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Finding the Fourth Proportional to 977,002.60, 1,465,503.90 and 880,580.20

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Solution

The fourth proportional to 977,002.60, 1,465,503.90 and 880,580.20 is: 1,320,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,002.60 : 1,465,503.90 = 880,580.20 : x
  2. Step 2: Convert to fraction form
    977,002.60/1,465,503.90 = 880,580.20/x
  3. Step 3: Cross multiply
    977,002.60x = 1,465,503.90 × 880,580.20
  4. Step 4: Simplify right side
    977,002.60x = 1,290,493,717,362.78
  5. Step 5: Solve for x
    x = 1,290,493,717,362.78/977,002.60
  6. Step 6: Final answer
    x = 1,320,870.30

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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.