Home / 1,275,119.34-1,759,664.52-702,158.10

Finding the Fourth Proportional to 1,275,119.34, 1,759,664.52 and 702,158.10

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Solution

The fourth proportional to 1,275,119.34, 1,759,664.52 and 702,158.10 is: 968,978.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,119.34 : 1,759,664.52 = 702,158.10 : x
  2. Step 2: Convert to fraction form
    1,275,119.34/1,759,664.52 = 702,158.10/x
  3. Step 3: Cross multiply
    1,275,119.34x = 1,759,664.52 × 702,158.10
  4. Step 4: Simplify right side
    1,275,119.34x = 1,235,562,696,000.61
  5. Step 5: Solve for x
    x = 1,235,562,696,000.61/1,275,119.34
  6. Step 6: Final answer
    x = 968,978.08

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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.