Home / 912,148.80-1,368,223.20-899,707.20

Finding the Fourth Proportional to 912,148.80, 1,368,223.20 and 899,707.20

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Solution

The fourth proportional to 912,148.80, 1,368,223.20 and 899,707.20 is: 1,349,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,148.80 : 1,368,223.20 = 899,707.20 : x
  2. Step 2: Convert to fraction form
    912,148.80/1,368,223.20 = 899,707.20/x
  3. Step 3: Cross multiply
    912,148.80x = 1,368,223.20 × 899,707.20
  4. Step 4: Simplify right side
    912,148.80x = 1,231,000,264,247.04
  5. Step 5: Solve for x
    x = 1,231,000,264,247.04/912,148.80
  6. Step 6: Final answer
    x = 1,349,560.80

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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.