Home / 1,115,552-1,679,397.80-1,016,349.68

Finding the Fourth Proportional to 1,115,552, 1,679,397.80 and 1,016,349.68

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Solution

The fourth proportional to 1,115,552, 1,679,397.80 and 1,016,349.68 is: 1,530,054.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,552 : 1,679,397.80 = 1,016,349.68 : x
  2. Step 2: Convert to fraction form
    1,115,552/1,679,397.80 = 1,016,349.68/x
  3. Step 3: Cross multiply
    1,115,552x = 1,679,397.80 × 1,016,349.68
  4. Step 4: Simplify right side
    1,115,552x = 1,706,855,416,622.70
  5. Step 5: Solve for x
    x = 1,706,855,416,622.70/1,115,552
  6. Step 6: Final answer
    x = 1,530,054.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.