Home / 1,146,627.20-1,719,503.40-347,643.20

Finding the Fourth Proportional to 1,146,627.20, 1,719,503.40 and 347,643.20

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Solution

The fourth proportional to 1,146,627.20, 1,719,503.40 and 347,643.20 is: 521,332.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,627.20 : 1,719,503.40 = 347,643.20 : x
  2. Step 2: Convert to fraction form
    1,146,627.20/1,719,503.40 = 347,643.20/x
  3. Step 3: Cross multiply
    1,146,627.20x = 1,719,503.40 × 347,643.20
  4. Step 4: Simplify right side
    1,146,627.20x = 597,773,664,386.88
  5. Step 5: Solve for x
    x = 597,773,664,386.88/1,146,627.20
  6. Step 6: Final answer
    x = 521,332.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.