Home / 1,007,845.20-1,390,828.28-548,958.35

Finding the Fourth Proportional to 1,007,845.20, 1,390,828.28 and 548,958.35

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Solution

The fourth proportional to 1,007,845.20, 1,390,828.28 and 548,958.35 is: 757,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,845.20 : 1,390,828.28 = 548,958.35 : x
  2. Step 2: Convert to fraction form
    1,007,845.20/1,390,828.28 = 548,958.35/x
  3. Step 3: Cross multiply
    1,007,845.20x = 1,390,828.28 × 548,958.35
  4. Step 4: Simplify right side
    1,007,845.20x = 763,506,788,023.21
  5. Step 5: Solve for x
    x = 763,506,788,023.21/1,007,845.20
  6. Step 6: Final answer
    x = 757,563.55

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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.