Home / 1,358,139.03-1,874,122.15-785,216.13

Finding the Fourth Proportional to 1,358,139.03, 1,874,122.15 and 785,216.13

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Solution

The fourth proportional to 1,358,139.03, 1,874,122.15 and 785,216.13 is: 1,083,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,139.03 : 1,874,122.15 = 785,216.13 : x
  2. Step 2: Convert to fraction form
    1,358,139.03/1,874,122.15 = 785,216.13/x
  3. Step 3: Cross multiply
    1,358,139.03x = 1,874,122.15 × 785,216.13
  4. Step 4: Simplify right side
    1,358,139.03x = 1,471,590,930,436.63
  5. Step 5: Solve for x
    x = 1,471,590,930,436.63/1,358,139.03
  6. Step 6: Final answer
    x = 1,083,534.82

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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.