Home / 1,146,315.60-1,719,487.80-347,605.20

Finding the Fourth Proportional to 1,146,315.60, 1,719,487.80 and 347,605.20

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Solution

The fourth proportional to 1,146,315.60, 1,719,487.80 and 347,605.20 is: 521,412.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,315.60 : 1,719,487.80 = 347,605.20 : x
  2. Step 2: Convert to fraction form
    1,146,315.60/1,719,487.80 = 347,605.20/x
  3. Step 3: Cross multiply
    1,146,315.60x = 1,719,487.80 × 347,605.20
  4. Step 4: Simplify right side
    1,146,315.60x = 597,702,900,616.56
  5. Step 5: Solve for x
    x = 597,702,900,616.56/1,146,315.60
  6. Step 6: Final answer
    x = 521,412.17

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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.