Home / 1,090,108.11-1,635,423.89-342,154.11

Finding the Fourth Proportional to 1,090,108.11, 1,635,423.89 and 342,154.11

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Solution

The fourth proportional to 1,090,108.11, 1,635,423.89 and 342,154.11 is: 513,313.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,108.11 : 1,635,423.89 = 342,154.11 : x
  2. Step 2: Convert to fraction form
    1,090,108.11/1,635,423.89 = 342,154.11/x
  3. Step 3: Cross multiply
    1,090,108.11x = 1,635,423.89 × 342,154.11
  4. Step 4: Simplify right side
    1,090,108.11x = 559,567,003,844.92
  5. Step 5: Solve for x
    x = 559,567,003,844.92/1,090,108.11
  6. Step 6: Final answer
    x = 513,313.31

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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.