Home / 981,605.20-1,472,407.80-975,384.40

Finding the Fourth Proportional to 981,605.20, 1,472,407.80 and 975,384.40

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Solution

The fourth proportional to 981,605.20, 1,472,407.80 and 975,384.40 is: 1,463,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,605.20 : 1,472,407.80 = 975,384.40 : x
  2. Step 2: Convert to fraction form
    981,605.20/1,472,407.80 = 975,384.40/x
  3. Step 3: Cross multiply
    981,605.20x = 1,472,407.80 × 975,384.40
  4. Step 4: Simplify right side
    981,605.20x = 1,436,163,598,558.32
  5. Step 5: Solve for x
    x = 1,436,163,598,558.32/981,605.20
  6. Step 6: Final answer
    x = 1,463,076.60

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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.