Home / 1,379,659.30-2,069,403.59-514,925.89

Finding the Fourth Proportional to 1,379,659.30, 2,069,403.59 and 514,925.89

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Solution

The fourth proportional to 1,379,659.30, 2,069,403.59 and 514,925.89 is: 772,356.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,659.30 : 2,069,403.59 = 514,925.89 : x
  2. Step 2: Convert to fraction form
    1,379,659.30/2,069,403.59 = 514,925.89/x
  3. Step 3: Cross multiply
    1,379,659.30x = 2,069,403.59 × 514,925.89
  4. Step 4: Simplify right side
    1,379,659.30x = 1,065,589,481,463.75
  5. Step 5: Solve for x
    x = 1,065,589,481,463.75/1,379,659.30
  6. Step 6: Final answer
    x = 772,356.97

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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.