Home / 1,148,184.54-1,722,275.19-390,104.73

Finding the Fourth Proportional to 1,148,184.54, 1,722,275.19 and 390,104.73

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Solution

The fourth proportional to 1,148,184.54, 1,722,275.19 and 390,104.73 is: 585,156.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,184.54 : 1,722,275.19 = 390,104.73 : x
  2. Step 2: Convert to fraction form
    1,148,184.54/1,722,275.19 = 390,104.73/x
  3. Step 3: Cross multiply
    1,148,184.54x = 1,722,275.19 × 390,104.73
  4. Step 4: Simplify right side
    1,148,184.54x = 671,867,697,980.65
  5. Step 5: Solve for x
    x = 671,867,697,980.65/1,148,184.54
  6. Step 6: Final answer
    x = 585,156.54

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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.