Home / 1,012,281.12-1,396,904.40-553,386.96

Finding the Fourth Proportional to 1,012,281.12, 1,396,904.40 and 553,386.96

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Solution

The fourth proportional to 1,012,281.12, 1,396,904.40 and 553,386.96 is: 763,650.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,281.12 : 1,396,904.40 = 553,386.96 : x
  2. Step 2: Convert to fraction form
    1,012,281.12/1,396,904.40 = 553,386.96/x
  3. Step 3: Cross multiply
    1,012,281.12x = 1,396,904.40 × 553,386.96
  4. Step 4: Simplify right side
    1,012,281.12x = 773,028,679,326.62
  5. Step 5: Solve for x
    x = 773,028,679,326.62/1,012,281.12
  6. Step 6: Final answer
    x = 763,650.20

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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.