Home / 1,036,142.95-1,554,214.43-288,188.95

Finding the Fourth Proportional to 1,036,142.95, 1,554,214.43 and 288,188.95

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Solution

The fourth proportional to 1,036,142.95, 1,554,214.43 and 288,188.95 is: 432,283.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,142.95 : 1,554,214.43 = 288,188.95 : x
  2. Step 2: Convert to fraction form
    1,036,142.95/1,554,214.43 = 288,188.95/x
  3. Step 3: Cross multiply
    1,036,142.95x = 1,554,214.43 × 288,188.95
  4. Step 4: Simplify right side
    1,036,142.95x = 447,907,424,656.55
  5. Step 5: Solve for x
    x = 447,907,424,656.55/1,036,142.95
  6. Step 6: Final answer
    x = 432,283.43

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Double scale
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Similar ratio
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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.