Home / 1,000,038.23-1,380,042.25-541,142.79

Finding the Fourth Proportional to 1,000,038.23, 1,380,042.25 and 541,142.79

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Solution

The fourth proportional to 1,000,038.23, 1,380,042.25 and 541,142.79 is: 746,771.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,038.23 : 1,380,042.25 = 541,142.79 : x
  2. Step 2: Convert to fraction form
    1,000,038.23/1,380,042.25 = 541,142.79/x
  3. Step 3: Cross multiply
    1,000,038.23x = 1,380,042.25 × 541,142.79
  4. Step 4: Simplify right side
    1,000,038.23x = 746,799,913,482.88
  5. Step 5: Solve for x
    x = 746,799,913,482.88/1,000,038.23
  6. Step 6: Final answer
    x = 746,771.36

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Double scale
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1.5x scale

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.