Home / 1,359,446.67-1,875,505.41-778,359.24

Finding the Fourth Proportional to 1,359,446.67, 1,875,505.41 and 778,359.24

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Solution

The fourth proportional to 1,359,446.67, 1,875,505.41 and 778,359.24 is: 1,073,831.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,446.67 : 1,875,505.41 = 778,359.24 : x
  2. Step 2: Convert to fraction form
    1,359,446.67/1,875,505.41 = 778,359.24/x
  3. Step 3: Cross multiply
    1,359,446.67x = 1,875,505.41 × 778,359.24
  4. Step 4: Simplify right side
    1,359,446.67x = 1,459,816,965,543.49
  5. Step 5: Solve for x
    x = 1,459,816,965,543.49/1,359,446.67
  6. Step 6: Final answer
    x = 1,073,831.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.