Home / 1,103,156.16-1,522,936.80-742,476.48

Finding the Fourth Proportional to 1,103,156.16, 1,522,936.80 and 742,476.48

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Solution

The fourth proportional to 1,103,156.16, 1,522,936.80 and 742,476.48 is: 1,025,008.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,156.16 : 1,522,936.80 = 742,476.48 : x
  2. Step 2: Convert to fraction form
    1,103,156.16/1,522,936.80 = 742,476.48/x
  3. Step 3: Cross multiply
    1,103,156.16x = 1,522,936.80 × 742,476.48
  4. Step 4: Simplify right side
    1,103,156.16x = 1,130,744,754,526.46
  5. Step 5: Solve for x
    x = 1,130,744,754,526.46/1,103,156.16
  6. Step 6: Final answer
    x = 1,025,008.78

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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.