Home / 977,613.20-1,466,419.80-660,352.40

Finding the Fourth Proportional to 977,613.20, 1,466,419.80 and 660,352.40

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Solution

The fourth proportional to 977,613.20, 1,466,419.80 and 660,352.40 is: 990,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,613.20 : 1,466,419.80 = 660,352.40 : x
  2. Step 2: Convert to fraction form
    977,613.20/1,466,419.80 = 660,352.40/x
  3. Step 3: Cross multiply
    977,613.20x = 1,466,419.80 × 660,352.40
  4. Step 4: Simplify right side
    977,613.20x = 968,353,834,337.52
  5. Step 5: Solve for x
    x = 968,353,834,337.52/977,613.20
  6. Step 6: Final answer
    x = 990,528.60

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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.