Home / 1,039,374.92-1,559,555.82-720,018.24

Finding the Fourth Proportional to 1,039,374.92, 1,559,555.82 and 720,018.24

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Solution

The fourth proportional to 1,039,374.92, 1,559,555.82 and 720,018.24 is: 1,080,369.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,374.92 : 1,559,555.82 = 720,018.24 : x
  2. Step 2: Convert to fraction form
    1,039,374.92/1,559,555.82 = 720,018.24/x
  3. Step 3: Cross multiply
    1,039,374.92x = 1,559,555.82 × 720,018.24
  4. Step 4: Simplify right side
    1,039,374.92x = 1,122,908,636,698.16
  5. Step 5: Solve for x
    x = 1,122,908,636,698.16/1,039,374.92
  6. Step 6: Final answer
    x = 1,080,369.19

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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.