Home / 1,012,623.38-1,397,363.70-553,646.58

Finding the Fourth Proportional to 1,012,623.38, 1,397,363.70 and 553,646.58

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Solution

The fourth proportional to 1,012,623.38, 1,397,363.70 and 553,646.58 is: 764,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,623.38 : 1,397,363.70 = 553,646.58 : x
  2. Step 2: Convert to fraction form
    1,012,623.38/1,397,363.70 = 553,646.58/x
  3. Step 3: Cross multiply
    1,012,623.38x = 1,397,363.70 × 553,646.58
  4. Step 4: Simplify right side
    1,012,623.38x = 773,645,633,521.15
  5. Step 5: Solve for x
    x = 773,645,633,521.15/1,012,623.38
  6. Step 6: Final answer
    x = 764,001.35

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1.5x scale

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.