Home / 1,228,463.12-1,695,280.74-684,587

Finding the Fourth Proportional to 1,228,463.12, 1,695,280.74 and 684,587

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Solution

The fourth proportional to 1,228,463.12, 1,695,280.74 and 684,587 is: 944,730.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,463.12 : 1,695,280.74 = 684,587 : x
  2. Step 2: Convert to fraction form
    1,228,463.12/1,695,280.74 = 684,587/x
  3. Step 3: Cross multiply
    1,228,463.12x = 1,695,280.74 × 684,587
  4. Step 4: Simplify right side
    1,228,463.12x = 1,160,567,155,954.38
  5. Step 5: Solve for x
    x = 1,160,567,155,954.38/1,228,463.12
  6. Step 6: Final answer
    x = 944,730.97

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Double scale
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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.