Home / 1,090,341.38-1,635,577.68-342,387.38

Finding the Fourth Proportional to 1,090,341.38, 1,635,577.68 and 342,387.38

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Solution

The fourth proportional to 1,090,341.38, 1,635,577.68 and 342,387.38 is: 513,601.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,341.38 : 1,635,577.68 = 342,387.38 : x
  2. Step 2: Convert to fraction form
    1,090,341.38/1,635,577.68 = 342,387.38/x
  3. Step 3: Cross multiply
    1,090,341.38x = 1,635,577.68 × 342,387.38
  4. Step 4: Simplify right side
    1,090,341.38x = 560,001,156,641.68
  5. Step 5: Solve for x
    x = 560,001,156,641.68/1,090,341.38
  6. Step 6: Final answer
    x = 513,601.67

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1.5x scale

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.