Home / 1,012,209.72-1,396,849.73-553,326.32

Finding the Fourth Proportional to 1,012,209.72, 1,396,849.73 and 553,326.32

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Solution

The fourth proportional to 1,012,209.72, 1,396,849.73 and 553,326.32 is: 763,590.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,209.72 : 1,396,849.73 = 553,326.32 : x
  2. Step 2: Convert to fraction form
    1,012,209.72/1,396,849.73 = 553,326.32/x
  3. Step 3: Cross multiply
    1,012,209.72x = 1,396,849.73 × 553,326.32
  4. Step 4: Simplify right side
    1,012,209.72x = 772,913,710,943.01
  5. Step 5: Solve for x
    x = 772,913,710,943.01/1,012,209.72
  6. Step 6: Final answer
    x = 763,590.48

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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.