Home / 1,474,306.80-2,211,460.20-874,959.45

Finding the Fourth Proportional to 1,474,306.80, 2,211,460.20 and 874,959.45

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Solution

The fourth proportional to 1,474,306.80, 2,211,460.20 and 874,959.45 is: 1,312,439.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,306.80 : 2,211,460.20 = 874,959.45 : x
  2. Step 2: Convert to fraction form
    1,474,306.80/2,211,460.20 = 874,959.45/x
  3. Step 3: Cross multiply
    1,474,306.80x = 2,211,460.20 × 874,959.45
  4. Step 4: Simplify right side
    1,474,306.80x = 1,934,938,000,288.89
  5. Step 5: Solve for x
    x = 1,934,938,000,288.89/1,474,306.80
  6. Step 6: Final answer
    x = 1,312,439.18

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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.