Home / 1,258,644.30-1,887,966.45-360,139.65

Finding the Fourth Proportional to 1,258,644.30, 1,887,966.45 and 360,139.65

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Solution

The fourth proportional to 1,258,644.30, 1,887,966.45 and 360,139.65 is: 540,209.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,644.30 : 1,887,966.45 = 360,139.65 : x
  2. Step 2: Convert to fraction form
    1,258,644.30/1,887,966.45 = 360,139.65/x
  3. Step 3: Cross multiply
    1,258,644.30x = 1,887,966.45 × 360,139.65
  4. Step 4: Simplify right side
    1,258,644.30x = 679,931,576,514.74
  5. Step 5: Solve for x
    x = 679,931,576,514.74/1,258,644.30
  6. Step 6: Final answer
    x = 540,209.48

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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.