Home / 1,031,522.40-1,543,784.40-905,551.20

Finding the Fourth Proportional to 1,031,522.40, 1,543,784.40 and 905,551.20

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Solution

The fourth proportional to 1,031,522.40, 1,543,784.40 and 905,551.20 is: 1,355,254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,522.40 : 1,543,784.40 = 905,551.20 : x
  2. Step 2: Convert to fraction form
    1,031,522.40/1,543,784.40 = 905,551.20/x
  3. Step 3: Cross multiply
    1,031,522.40x = 1,543,784.40 × 905,551.20
  4. Step 4: Simplify right side
    1,031,522.40x = 1,397,975,815,961.28
  5. Step 5: Solve for x
    x = 1,397,975,815,961.28/1,031,522.40
  6. Step 6: Final answer
    x = 1,355,254.93

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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.