Home / 679,146.52-1,018,718.68-180,510.52

Finding the Fourth Proportional to 679,146.52, 1,018,718.68 and 180,510.52

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Solution

The fourth proportional to 679,146.52, 1,018,718.68 and 180,510.52 is: 270,765.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,146.52 : 1,018,718.68 = 180,510.52 : x
  2. Step 2: Convert to fraction form
    679,146.52/1,018,718.68 = 180,510.52/x
  3. Step 3: Cross multiply
    679,146.52x = 1,018,718.68 × 180,510.52
  4. Step 4: Simplify right side
    679,146.52x = 183,889,438,660.51
  5. Step 5: Solve for x
    x = 183,889,438,660.51/679,146.52
  6. Step 6: Final answer
    x = 270,765.49

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1.5x scale

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.