Home / 1,382,253.10-1,907,518.16-770,444.71

Finding the Fourth Proportional to 1,382,253.10, 1,907,518.16 and 770,444.71

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Solution

The fourth proportional to 1,382,253.10, 1,907,518.16 and 770,444.71 is: 1,063,218.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,253.10 : 1,907,518.16 = 770,444.71 : x
  2. Step 2: Convert to fraction form
    1,382,253.10/1,907,518.16 = 770,444.71/x
  3. Step 3: Cross multiply
    1,382,253.10x = 1,907,518.16 × 770,444.71
  4. Step 4: Simplify right side
    1,382,253.10x = 1,469,637,279,154.29
  5. Step 5: Solve for x
    x = 1,469,637,279,154.29/1,382,253.10
  6. Step 6: Final answer
    x = 1,063,218.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.