Home / 1,545,903.60-2,318,740.20-647,113.20

Finding the Fourth Proportional to 1,545,903.60, 2,318,740.20 and 647,113.20

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Solution

The fourth proportional to 1,545,903.60, 2,318,740.20 and 647,113.20 is: 970,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,903.60 : 2,318,740.20 = 647,113.20 : x
  2. Step 2: Convert to fraction form
    1,545,903.60/2,318,740.20 = 647,113.20/x
  3. Step 3: Cross multiply
    1,545,903.60x = 2,318,740.20 × 647,113.20
  4. Step 4: Simplify right side
    1,545,903.60x = 1,500,487,390,790.64
  5. Step 5: Solve for x
    x = 1,500,487,390,790.64/1,545,903.60
  6. Step 6: Final answer
    x = 970,621.58

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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.