Home / 1,087,895.70-1,500,866.16-628,925.82

Finding the Fourth Proportional to 1,087,895.70, 1,500,866.16 and 628,925.82

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Solution

The fourth proportional to 1,087,895.70, 1,500,866.16 and 628,925.82 is: 867,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,895.70 : 1,500,866.16 = 628,925.82 : x
  2. Step 2: Convert to fraction form
    1,087,895.70/1,500,866.16 = 628,925.82/x
  3. Step 3: Cross multiply
    1,087,895.70x = 1,500,866.16 × 628,925.82
  4. Step 4: Simplify right side
    1,087,895.70x = 943,933,480,388.25
  5. Step 5: Solve for x
    x = 943,933,480,388.25/1,087,895.70
  6. Step 6: Final answer
    x = 867,669.10

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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.