Home / 1,049,991.40-1,574,987.10-385,402.60

Finding the Fourth Proportional to 1,049,991.40, 1,574,987.10 and 385,402.60

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Solution

The fourth proportional to 1,049,991.40, 1,574,987.10 and 385,402.60 is: 578,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,991.40 : 1,574,987.10 = 385,402.60 : x
  2. Step 2: Convert to fraction form
    1,049,991.40/1,574,987.10 = 385,402.60/x
  3. Step 3: Cross multiply
    1,049,991.40x = 1,574,987.10 × 385,402.60
  4. Step 4: Simplify right side
    1,049,991.40x = 607,004,123,306.46
  5. Step 5: Solve for x
    x = 607,004,123,306.46/1,049,991.40
  6. Step 6: Final answer
    x = 578,103.90

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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.