Home / 1,013,137.40-1,400,801.10-887,166.20

Finding the Fourth Proportional to 1,013,137.40, 1,400,801.10 and 887,166.20

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Solution

The fourth proportional to 1,013,137.40, 1,400,801.10 and 887,166.20 is: 1,226,628.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,137.40 : 1,400,801.10 = 887,166.20 : x
  2. Step 2: Convert to fraction form
    1,013,137.40/1,400,801.10 = 887,166.20/x
  3. Step 3: Cross multiply
    1,013,137.40x = 1,400,801.10 × 887,166.20
  4. Step 4: Simplify right side
    1,013,137.40x = 1,242,743,388,842.82
  5. Step 5: Solve for x
    x = 1,242,743,388,842.82/1,013,137.40
  6. Step 6: Final answer
    x = 1,226,628.68

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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.