Home / 1,178,332.86-1,626,169.03-887,431.34

Finding the Fourth Proportional to 1,178,332.86, 1,626,169.03 and 887,431.34

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Solution

The fourth proportional to 1,178,332.86, 1,626,169.03 and 887,431.34 is: 1,224,707.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,332.86 : 1,626,169.03 = 887,431.34 : x
  2. Step 2: Convert to fraction form
    1,178,332.86/1,626,169.03 = 887,431.34/x
  3. Step 3: Cross multiply
    1,178,332.86x = 1,626,169.03 × 887,431.34
  4. Step 4: Simplify right side
    1,178,332.86x = 1,443,113,363,206.24
  5. Step 5: Solve for x
    x = 1,443,113,363,206.24/1,178,332.86
  6. Step 6: Final answer
    x = 1,224,707.73

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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.