Home / 912,002.80-1,368,004.20-899,561.20

Finding the Fourth Proportional to 912,002.80, 1,368,004.20 and 899,561.20

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Solution

The fourth proportional to 912,002.80, 1,368,004.20 and 899,561.20 is: 1,349,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,002.80 : 1,368,004.20 = 899,561.20 : x
  2. Step 2: Convert to fraction form
    912,002.80/1,368,004.20 = 899,561.20/x
  3. Step 3: Cross multiply
    912,002.80x = 1,368,004.20 × 899,561.20
  4. Step 4: Simplify right side
    912,002.80x = 1,230,603,499,757.04
  5. Step 5: Solve for x
    x = 1,230,603,499,757.04/912,002.80
  6. Step 6: Final answer
    x = 1,349,341.80

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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.