Home / 1,578,624.90-2,366,382.15-780,029.70

Finding the Fourth Proportional to 1,578,624.90, 2,366,382.15 and 780,029.70

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Solution

The fourth proportional to 1,578,624.90, 2,366,382.15 and 780,029.70 is: 1,169,276.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,624.90 : 2,366,382.15 = 780,029.70 : x
  2. Step 2: Convert to fraction form
    1,578,624.90/2,366,382.15 = 780,029.70/x
  3. Step 3: Cross multiply
    1,578,624.90x = 2,366,382.15 × 780,029.70
  4. Step 4: Simplify right side
    1,578,624.90x = 1,845,848,358,549.85
  5. Step 5: Solve for x
    x = 1,845,848,358,549.85/1,578,624.90
  6. Step 6: Final answer
    x = 1,169,276.10

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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.