Home / 1,222,124.16-1,686,734.04-712,826.52

Finding the Fourth Proportional to 1,222,124.16, 1,686,734.04 and 712,826.52

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Solution

The fourth proportional to 1,222,124.16, 1,686,734.04 and 712,826.52 is: 983,818.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,124.16 : 1,686,734.04 = 712,826.52 : x
  2. Step 2: Convert to fraction form
    1,222,124.16/1,686,734.04 = 712,826.52/x
  3. Step 3: Cross multiply
    1,222,124.16x = 1,686,734.04 × 712,826.52
  4. Step 4: Simplify right side
    1,222,124.16x = 1,202,348,755,898.74
  5. Step 5: Solve for x
    x = 1,202,348,755,898.74/1,222,124.16
  6. Step 6: Final answer
    x = 983,818.83

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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.