Home / 917,088.30-1,375,632.45-819,110.70

Finding the Fourth Proportional to 917,088.30, 1,375,632.45 and 819,110.70

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Solution

The fourth proportional to 917,088.30, 1,375,632.45 and 819,110.70 is: 1,228,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,088.30 : 1,375,632.45 = 819,110.70 : x
  2. Step 2: Convert to fraction form
    917,088.30/1,375,632.45 = 819,110.70/x
  3. Step 3: Cross multiply
    917,088.30x = 1,375,632.45 × 819,110.70
  4. Step 4: Simplify right side
    917,088.30x = 1,126,795,259,062.21
  5. Step 5: Solve for x
    x = 1,126,795,259,062.21/917,088.30
  6. Step 6: Final answer
    x = 1,228,666.05

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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.