Home / 1,102,318.40-1,653,478.80-437,470.40

Finding the Fourth Proportional to 1,102,318.40, 1,653,478.80 and 437,470.40

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Solution

The fourth proportional to 1,102,318.40, 1,653,478.80 and 437,470.40 is: 656,206.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,318.40 : 1,653,478.80 = 437,470.40 : x
  2. Step 2: Convert to fraction form
    1,102,318.40/1,653,478.80 = 437,470.40/x
  3. Step 3: Cross multiply
    1,102,318.40x = 1,653,478.80 × 437,470.40
  4. Step 4: Simplify right side
    1,102,318.40x = 723,348,032,027.52
  5. Step 5: Solve for x
    x = 723,348,032,027.52/1,102,318.40
  6. Step 6: Final answer
    x = 656,206.08

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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.