Home / 1,165,768.86-1,748,812.30-407,434.30

Finding the Fourth Proportional to 1,165,768.86, 1,748,812.30 and 407,434.30

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Solution

The fourth proportional to 1,165,768.86, 1,748,812.30 and 407,434.30 is: 611,207.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,768.86 : 1,748,812.30 = 407,434.30 : x
  2. Step 2: Convert to fraction form
    1,165,768.86/1,748,812.30 = 407,434.30/x
  3. Step 3: Cross multiply
    1,165,768.86x = 1,748,812.30 × 407,434.30
  4. Step 4: Simplify right side
    1,165,768.86x = 712,526,115,281.89
  5. Step 5: Solve for x
    x = 712,526,115,281.89/1,165,768.86
  6. Step 6: Final answer
    x = 611,207.02

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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.