Home / 1,012,108.32-1,396,685.16-553,202.28

Finding the Fourth Proportional to 1,012,108.32, 1,396,685.16 and 553,202.28

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Solution

The fourth proportional to 1,012,108.32, 1,396,685.16 and 553,202.28 is: 763,405.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,108.32 : 1,396,685.16 = 553,202.28 : x
  2. Step 2: Convert to fraction form
    1,012,108.32/1,396,685.16 = 553,202.28/x
  3. Step 3: Cross multiply
    1,012,108.32x = 1,396,685.16 × 553,202.28
  4. Step 4: Simplify right side
    1,012,108.32x = 772,649,414,954.17
  5. Step 5: Solve for x
    x = 772,649,414,954.17/1,012,108.32
  6. Step 6: Final answer
    x = 763,405.85

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Double scale
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1.5x scale

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.