Home / 977,077.60-1,465,616.40-880,655.20

Finding the Fourth Proportional to 977,077.60, 1,465,616.40 and 880,655.20

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Solution

The fourth proportional to 977,077.60, 1,465,616.40 and 880,655.20 is: 1,320,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,077.60 : 1,465,616.40 = 880,655.20 : x
  2. Step 2: Convert to fraction form
    977,077.60/1,465,616.40 = 880,655.20/x
  3. Step 3: Cross multiply
    977,077.60x = 1,465,616.40 × 880,655.20
  4. Step 4: Simplify right side
    977,077.60x = 1,290,702,703,865.28
  5. Step 5: Solve for x
    x = 1,290,702,703,865.28/977,077.60
  6. Step 6: Final answer
    x = 1,320,982.80

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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.