Home / 1,450,507.39-2,175,758.70-385,549.46

Finding the Fourth Proportional to 1,450,507.39, 2,175,758.70 and 385,549.46

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Solution

The fourth proportional to 1,450,507.39, 2,175,758.70 and 385,549.46 is: 578,323.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,507.39 : 2,175,758.70 = 385,549.46 : x
  2. Step 2: Convert to fraction form
    1,450,507.39/2,175,758.70 = 385,549.46/x
  3. Step 3: Cross multiply
    1,450,507.39x = 2,175,758.70 × 385,549.46
  4. Step 4: Simplify right side
    1,450,507.39x = 838,862,591,875.30
  5. Step 5: Solve for x
    x = 838,862,591,875.30/1,450,507.39
  6. Step 6: Final answer
    x = 578,323.56

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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.