Home / 1,292,432.85-1,937,751.52-572,382.18

Finding the Fourth Proportional to 1,292,432.85, 1,937,751.52 and 572,382.18

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Solution

The fourth proportional to 1,292,432.85, 1,937,751.52 and 572,382.18 is: 858,175.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,432.85 : 1,937,751.52 = 572,382.18 : x
  2. Step 2: Convert to fraction form
    1,292,432.85/1,937,751.52 = 572,382.18/x
  3. Step 3: Cross multiply
    1,292,432.85x = 1,937,751.52 × 572,382.18
  4. Step 4: Simplify right side
    1,292,432.85x = 1,109,134,426,765.25
  5. Step 5: Solve for x
    x = 1,109,134,426,765.25/1,292,432.85
  6. Step 6: Final answer
    x = 858,175.67

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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.