Home / 1,012,587.43-1,396,712.28-649,436.08

Finding the Fourth Proportional to 1,012,587.43, 1,396,712.28 and 649,436.08

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Solution

The fourth proportional to 1,012,587.43, 1,396,712.28 and 649,436.08 is: 895,799.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,587.43 : 1,396,712.28 = 649,436.08 : x
  2. Step 2: Convert to fraction form
    1,012,587.43/1,396,712.28 = 649,436.08/x
  3. Step 3: Cross multiply
    1,012,587.43x = 1,396,712.28 × 649,436.08
  4. Step 4: Simplify right side
    1,012,587.43x = 907,075,348,011.06
  5. Step 5: Solve for x
    x = 907,075,348,011.06/1,012,587.43
  6. Step 6: Final answer
    x = 895,799.53

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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.