Home / 1,356,445.30-2,034,991.95-409,825.30

Finding the Fourth Proportional to 1,356,445.30, 2,034,991.95 and 409,825.30

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Solution

The fourth proportional to 1,356,445.30, 2,034,991.95 and 409,825.30 is: 614,835.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,445.30 : 2,034,991.95 = 409,825.30 : x
  2. Step 2: Convert to fraction form
    1,356,445.30/2,034,991.95 = 409,825.30/x
  3. Step 3: Cross multiply
    1,356,445.30x = 2,034,991.95 × 409,825.30
  4. Step 4: Simplify right side
    1,356,445.30x = 833,991,186,406.34
  5. Step 5: Solve for x
    x = 833,991,186,406.34/1,356,445.30
  6. Step 6: Final answer
    x = 614,835.84

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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.