Home / 1,034,148.80-1,551,223.20-768,428.30

Finding the Fourth Proportional to 1,034,148.80, 1,551,223.20 and 768,428.30

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Solution

The fourth proportional to 1,034,148.80, 1,551,223.20 and 768,428.30 is: 1,152,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,148.80 : 1,551,223.20 = 768,428.30 : x
  2. Step 2: Convert to fraction form
    1,034,148.80/1,551,223.20 = 768,428.30/x
  3. Step 3: Cross multiply
    1,034,148.80x = 1,551,223.20 × 768,428.30
  4. Step 4: Simplify right side
    1,034,148.80x = 1,192,003,806,496.56
  5. Step 5: Solve for x
    x = 1,192,003,806,496.56/1,034,148.80
  6. Step 6: Final answer
    x = 1,152,642.45

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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.