Home / 679,154.06-1,018,720.62-173,710.58

Finding the Fourth Proportional to 679,154.06, 1,018,720.62 and 173,710.58

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Solution

The fourth proportional to 679,154.06, 1,018,720.62 and 173,710.58 is: 260,563.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,154.06 : 1,018,720.62 = 173,710.58 : x
  2. Step 2: Convert to fraction form
    679,154.06/1,018,720.62 = 173,710.58/x
  3. Step 3: Cross multiply
    679,154.06x = 1,018,720.62 × 173,710.58
  4. Step 4: Simplify right side
    679,154.06x = 176,962,549,758.16
  5. Step 5: Solve for x
    x = 176,962,549,758.16/679,154.06
  6. Step 6: Final answer
    x = 260,563.19

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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.