Home / 1,170,117.40-1,755,176.10-771,208.60

Finding the Fourth Proportional to 1,170,117.40, 1,755,176.10 and 771,208.60

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Solution

The fourth proportional to 1,170,117.40, 1,755,176.10 and 771,208.60 is: 1,156,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,117.40 : 1,755,176.10 = 771,208.60 : x
  2. Step 2: Convert to fraction form
    1,170,117.40/1,755,176.10 = 771,208.60/x
  3. Step 3: Cross multiply
    1,170,117.40x = 1,755,176.10 × 771,208.60
  4. Step 4: Simplify right side
    1,170,117.40x = 1,353,606,902,834.46
  5. Step 5: Solve for x
    x = 1,353,606,902,834.46/1,170,117.40
  6. Step 6: Final answer
    x = 1,156,812.90

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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.