Home / 1,235,647.20-1,853,470.80-757,350.30

Finding the Fourth Proportional to 1,235,647.20, 1,853,470.80 and 757,350.30

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Solution

The fourth proportional to 1,235,647.20, 1,853,470.80 and 757,350.30 is: 1,136,025.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,647.20 : 1,853,470.80 = 757,350.30 : x
  2. Step 2: Convert to fraction form
    1,235,647.20/1,853,470.80 = 757,350.30/x
  3. Step 3: Cross multiply
    1,235,647.20x = 1,853,470.80 × 757,350.30
  4. Step 4: Simplify right side
    1,235,647.20x = 1,403,726,666,421.24
  5. Step 5: Solve for x
    x = 1,403,726,666,421.24/1,235,647.20
  6. Step 6: Final answer
    x = 1,136,025.45

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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.