Home / 1,036,142.25-1,554,301.40-288,188.25

Finding the Fourth Proportional to 1,036,142.25, 1,554,301.40 and 288,188.25

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Solution

The fourth proportional to 1,036,142.25, 1,554,301.40 and 288,188.25 is: 432,306.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,142.25 : 1,554,301.40 = 288,188.25 : x
  2. Step 2: Convert to fraction form
    1,036,142.25/1,554,301.40 = 288,188.25/x
  3. Step 3: Cross multiply
    1,036,142.25x = 1,554,301.40 × 288,188.25
  4. Step 4: Simplify right side
    1,036,142.25x = 447,931,400,438.55
  5. Step 5: Solve for x
    x = 447,931,400,438.55/1,036,142.25
  6. Step 6: Final answer
    x = 432,306.86

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Double scale
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1.5x scale

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.