Home / 1,083,498.76-1,495,477.08-720,937.84

Finding the Fourth Proportional to 1,083,498.76, 1,495,477.08 and 720,937.84

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Solution

The fourth proportional to 1,083,498.76, 1,495,477.08 and 720,937.84 is: 995,059.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,498.76 : 1,495,477.08 = 720,937.84 : x
  2. Step 2: Convert to fraction form
    1,083,498.76/1,495,477.08 = 720,937.84/x
  3. Step 3: Cross multiply
    1,083,498.76x = 1,495,477.08 × 720,937.84
  4. Step 4: Simplify right side
    1,083,498.76x = 1,078,146,015,824.71
  5. Step 5: Solve for x
    x = 1,078,146,015,824.71/1,083,498.76
  6. Step 6: Final answer
    x = 995,059.76

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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.