Home / 1,681,437.18-2,320,439.32-917,532.66

Finding the Fourth Proportional to 1,681,437.18, 2,320,439.32 and 917,532.66

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Solution

The fourth proportional to 1,681,437.18, 2,320,439.32 and 917,532.66 is: 1,266,225.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,437.18 : 2,320,439.32 = 917,532.66 : x
  2. Step 2: Convert to fraction form
    1,681,437.18/2,320,439.32 = 917,532.66/x
  3. Step 3: Cross multiply
    1,681,437.18x = 2,320,439.32 × 917,532.66
  4. Step 4: Simplify right side
    1,681,437.18x = 2,129,078,861,648.19
  5. Step 5: Solve for x
    x = 2,129,078,861,648.19/1,681,437.18
  6. Step 6: Final answer
    x = 1,266,225.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.