Home / 1,554,152.72-2,145,049.80-980,808.08

Finding the Fourth Proportional to 1,554,152.72, 2,145,049.80 and 980,808.08

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Solution

The fourth proportional to 1,554,152.72, 2,145,049.80 and 980,808.08 is: 1,353,716.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,152.72 : 2,145,049.80 = 980,808.08 : x
  2. Step 2: Convert to fraction form
    1,554,152.72/2,145,049.80 = 980,808.08/x
  3. Step 3: Cross multiply
    1,554,152.72x = 2,145,049.80 × 980,808.08
  4. Step 4: Simplify right side
    1,554,152.72x = 2,103,882,175,842.38
  5. Step 5: Solve for x
    x = 2,103,882,175,842.38/1,554,152.72
  6. Step 6: Final answer
    x = 1,353,716.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.