Home / 1,040,665.65-1,560,288.18-554,420.49

Finding the Fourth Proportional to 1,040,665.65, 1,560,288.18 and 554,420.49

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Solution

The fourth proportional to 1,040,665.65, 1,560,288.18 and 554,420.49 is: 831,252.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,665.65 : 1,560,288.18 = 554,420.49 : x
  2. Step 2: Convert to fraction form
    1,040,665.65/1,560,288.18 = 554,420.49/x
  3. Step 3: Cross multiply
    1,040,665.65x = 1,560,288.18 × 554,420.49
  4. Step 4: Simplify right side
    1,040,665.65x = 865,055,737,296.81
  5. Step 5: Solve for x
    x = 865,055,737,296.81/1,040,665.65
  6. Step 6: Final answer
    x = 831,252.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.