Home / 1,502,085.26-2,072,875.25-813,774.65

Finding the Fourth Proportional to 1,502,085.26, 2,072,875.25 and 813,774.65

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Solution

The fourth proportional to 1,502,085.26, 2,072,875.25 and 813,774.65 is: 1,123,007.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,085.26 : 2,072,875.25 = 813,774.65 : x
  2. Step 2: Convert to fraction form
    1,502,085.26/2,072,875.25 = 813,774.65/x
  3. Step 3: Cross multiply
    1,502,085.26x = 2,072,875.25 × 813,774.65
  4. Step 4: Simplify right side
    1,502,085.26x = 1,686,853,334,392.40
  5. Step 5: Solve for x
    x = 1,686,853,334,392.40/1,502,085.26
  6. Step 6: Final answer
    x = 1,123,007.71

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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.