Home / 1,007,035.86-1,510,553.85-342,187.86

Finding the Fourth Proportional to 1,007,035.86, 1,510,553.85 and 342,187.86

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Solution

The fourth proportional to 1,007,035.86, 1,510,553.85 and 342,187.86 is: 513,281.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,035.86 : 1,510,553.85 = 342,187.86 : x
  2. Step 2: Convert to fraction form
    1,007,035.86/1,510,553.85 = 342,187.86/x
  3. Step 3: Cross multiply
    1,007,035.86x = 1,510,553.85 × 342,187.86
  4. Step 4: Simplify right side
    1,007,035.86x = 516,893,189,346.26
  5. Step 5: Solve for x
    x = 516,893,189,346.26/1,007,035.86
  6. Step 6: Final answer
    x = 513,281.81

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Double scale
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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.