Home / 1,013,121.07-1,398,118.10-554,225.77

Finding the Fourth Proportional to 1,013,121.07, 1,398,118.10 and 554,225.77

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Solution

The fourth proportional to 1,013,121.07, 1,398,118.10 and 554,225.77 is: 764,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,121.07 : 1,398,118.10 = 554,225.77 : x
  2. Step 2: Convert to fraction form
    1,013,121.07/1,398,118.10 = 554,225.77/x
  3. Step 3: Cross multiply
    1,013,121.07x = 1,398,118.10 × 554,225.77
  4. Step 4: Simplify right side
    1,013,121.07x = 774,873,083,656.65
  5. Step 5: Solve for x
    x = 774,873,083,656.65/1,013,121.07
  6. Step 6: Final answer
    x = 764,837.60

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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.