Home / 679,138.02-1,018,705.95-180,502.02

Finding the Fourth Proportional to 679,138.02, 1,018,705.95 and 180,502.02

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Solution

The fourth proportional to 679,138.02, 1,018,705.95 and 180,502.02 is: 270,752.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,138.02 : 1,018,705.95 = 180,502.02 : x
  2. Step 2: Convert to fraction form
    679,138.02/1,018,705.95 = 180,502.02/x
  3. Step 3: Cross multiply
    679,138.02x = 1,018,705.95 × 180,502.02
  4. Step 4: Simplify right side
    679,138.02x = 183,878,481,761.02
  5. Step 5: Solve for x
    x = 183,878,481,761.02/679,138.02
  6. Step 6: Final answer
    x = 270,752.74

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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.