Home / 1,074,768.32-1,482,614.98-638,875.62

Finding the Fourth Proportional to 1,074,768.32, 1,482,614.98 and 638,875.62

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Solution

The fourth proportional to 1,074,768.32, 1,482,614.98 and 638,875.62 is: 881,312.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,768.32 : 1,482,614.98 = 638,875.62 : x
  2. Step 2: Convert to fraction form
    1,074,768.32/1,482,614.98 = 638,875.62/x
  3. Step 3: Cross multiply
    1,074,768.32x = 1,482,614.98 × 638,875.62
  4. Step 4: Simplify right side
    1,074,768.32x = 947,206,555,818.38
  5. Step 5: Solve for x
    x = 947,206,555,818.38/1,074,768.32
  6. Step 6: Final answer
    x = 881,312.31

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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.