Home / 1,009,705.28-1,393,397.28-550,829.64

Finding the Fourth Proportional to 1,009,705.28, 1,393,397.28 and 550,829.64

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Solution

The fourth proportional to 1,009,705.28, 1,393,397.28 and 550,829.64 is: 760,147.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,705.28 : 1,393,397.28 = 550,829.64 : x
  2. Step 2: Convert to fraction form
    1,009,705.28/1,393,397.28 = 550,829.64/x
  3. Step 3: Cross multiply
    1,009,705.28x = 1,393,397.28 × 550,829.64
  4. Step 4: Simplify right side
    1,009,705.28x = 767,524,522,119.38
  5. Step 5: Solve for x
    x = 767,524,522,119.38/1,009,705.28
  6. Step 6: Final answer
    x = 760,147.08

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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.