Home / 926,868.10-1,390,302.15-827,140.90

Finding the Fourth Proportional to 926,868.10, 1,390,302.15 and 827,140.90

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Solution

The fourth proportional to 926,868.10, 1,390,302.15 and 827,140.90 is: 1,240,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,868.10 : 1,390,302.15 = 827,140.90 : x
  2. Step 2: Convert to fraction form
    926,868.10/1,390,302.15 = 827,140.90/x
  3. Step 3: Cross multiply
    926,868.10x = 1,390,302.15 × 827,140.90
  4. Step 4: Simplify right side
    926,868.10x = 1,149,975,771,622.94
  5. Step 5: Solve for x
    x = 1,149,975,771,622.94/926,868.10
  6. Step 6: Final answer
    x = 1,240,711.35

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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.