Home / 1,129,811.57-1,559,366.26-671,180.92

Finding the Fourth Proportional to 1,129,811.57, 1,559,366.26 and 671,180.92

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Solution

The fourth proportional to 1,129,811.57, 1,559,366.26 and 671,180.92 is: 926,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,811.57 : 1,559,366.26 = 671,180.92 : x
  2. Step 2: Convert to fraction form
    1,129,811.57/1,559,366.26 = 671,180.92/x
  3. Step 3: Cross multiply
    1,129,811.57x = 1,559,366.26 × 671,180.92
  4. Step 4: Simplify right side
    1,129,811.57x = 1,046,616,869,851.02
  5. Step 5: Solve for x
    x = 1,046,616,869,851.02/1,129,811.57
  6. Step 6: Final answer
    x = 926,364.10

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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.