Home / 1,179,559.02-1,627,737.81-721,440.84

Finding the Fourth Proportional to 1,179,559.02, 1,627,737.81 and 721,440.84

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Solution

The fourth proportional to 1,179,559.02, 1,627,737.81 and 721,440.84 is: 995,555.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,559.02 : 1,627,737.81 = 721,440.84 : x
  2. Step 2: Convert to fraction form
    1,179,559.02/1,627,737.81 = 721,440.84/x
  3. Step 3: Cross multiply
    1,179,559.02x = 1,627,737.81 × 721,440.84
  4. Step 4: Simplify right side
    1,179,559.02x = 1,174,316,532,946.16
  5. Step 5: Solve for x
    x = 1,174,316,532,946.16/1,179,559.02
  6. Step 6: Final answer
    x = 995,555.55

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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.