Home / 1,148,186.54-1,722,278.19-390,106.73

Finding the Fourth Proportional to 1,148,186.54, 1,722,278.19 and 390,106.73

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Solution

The fourth proportional to 1,148,186.54, 1,722,278.19 and 390,106.73 is: 585,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,186.54 : 1,722,278.19 = 390,106.73 : x
  2. Step 2: Convert to fraction form
    1,148,186.54/1,722,278.19 = 390,106.73/x
  3. Step 3: Cross multiply
    1,148,186.54x = 1,722,278.19 × 390,106.73
  4. Step 4: Simplify right side
    1,148,186.54x = 671,872,312,851.22
  5. Step 5: Solve for x
    x = 671,872,312,851.22/1,148,186.54
  6. Step 6: Final answer
    x = 585,159.54

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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.