Home / 1,465,774.69-2,022,720.17-812,372.87

Finding the Fourth Proportional to 1,465,774.69, 2,022,720.17 and 812,372.87

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Solution

The fourth proportional to 1,465,774.69, 2,022,720.17 and 812,372.87 is: 1,121,047.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,774.69 : 2,022,720.17 = 812,372.87 : x
  2. Step 2: Convert to fraction form
    1,465,774.69/2,022,720.17 = 812,372.87/x
  3. Step 3: Cross multiply
    1,465,774.69x = 2,022,720.17 × 812,372.87
  4. Step 4: Simplify right side
    1,465,774.69x = 1,643,202,975,534.32
  5. Step 5: Solve for x
    x = 1,643,202,975,534.32/1,465,774.69
  6. Step 6: Final answer
    x = 1,121,047.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.