Home / 1,127,073.21-1,687,805.45-788,528.85

Finding the Fourth Proportional to 1,127,073.21, 1,687,805.45 and 788,528.85

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Solution

The fourth proportional to 1,127,073.21, 1,687,805.45 and 788,528.85 is: 1,180,831.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,073.21 : 1,687,805.45 = 788,528.85 : x
  2. Step 2: Convert to fraction form
    1,127,073.21/1,687,805.45 = 788,528.85/x
  3. Step 3: Cross multiply
    1,127,073.21x = 1,687,805.45 × 788,528.85
  4. Step 4: Simplify right side
    1,127,073.21x = 1,330,883,286,569.59
  5. Step 5: Solve for x
    x = 1,330,883,286,569.59/1,127,073.21
  6. Step 6: Final answer
    x = 1,180,831.27

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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.