Home / 1,325,386.77-1,829,182.20-802,385.65

Finding the Fourth Proportional to 1,325,386.77, 1,829,182.20 and 802,385.65

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Solution

The fourth proportional to 1,325,386.77, 1,829,182.20 and 802,385.65 is: 1,107,382.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,386.77 : 1,829,182.20 = 802,385.65 : x
  2. Step 2: Convert to fraction form
    1,325,386.77/1,829,182.20 = 802,385.65/x
  3. Step 3: Cross multiply
    1,325,386.77x = 1,829,182.20 × 802,385.65
  4. Step 4: Simplify right side
    1,325,386.77x = 1,467,709,548,515.43
  5. Step 5: Solve for x
    x = 1,467,709,548,515.43/1,325,386.77
  6. Step 6: Final answer
    x = 1,107,382.07

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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.