Home / 1,489,347.66-2,234,776.01-679,642.35

Finding the Fourth Proportional to 1,489,347.66, 2,234,776.01 and 679,642.35

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Solution

The fourth proportional to 1,489,347.66, 2,234,776.01 and 679,642.35 is: 1,019,807.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,347.66 : 2,234,776.01 = 679,642.35 : x
  2. Step 2: Convert to fraction form
    1,489,347.66/2,234,776.01 = 679,642.35/x
  3. Step 3: Cross multiply
    1,489,347.66x = 2,234,776.01 × 679,642.35
  4. Step 4: Simplify right side
    1,489,347.66x = 1,518,848,423,775.01
  5. Step 5: Solve for x
    x = 1,518,848,423,775.01/1,489,347.66
  6. Step 6: Final answer
    x = 1,019,807.84

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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.