Home / 1,038,001.80-1,556,711.10-328,247.40

Finding the Fourth Proportional to 1,038,001.80, 1,556,711.10 and 328,247.40

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Solution

The fourth proportional to 1,038,001.80, 1,556,711.10 and 328,247.40 is: 492,278.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,001.80 : 1,556,711.10 = 328,247.40 : x
  2. Step 2: Convert to fraction form
    1,038,001.80/1,556,711.10 = 328,247.40/x
  3. Step 3: Cross multiply
    1,038,001.80x = 1,556,711.10 × 328,247.40
  4. Step 4: Simplify right side
    1,038,001.80x = 510,986,371,126.14
  5. Step 5: Solve for x
    x = 510,986,371,126.14/1,038,001.80
  6. Step 6: Final answer
    x = 492,278.89

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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.