Home / 1,248,688.92-1,723,190.70-675,729.06

Finding the Fourth Proportional to 1,248,688.92, 1,723,190.70 and 675,729.06

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Solution

The fourth proportional to 1,248,688.92, 1,723,190.70 and 675,729.06 is: 932,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,688.92 : 1,723,190.70 = 675,729.06 : x
  2. Step 2: Convert to fraction form
    1,248,688.92/1,723,190.70 = 675,729.06/x
  3. Step 3: Cross multiply
    1,248,688.92x = 1,723,190.70 × 675,729.06
  4. Step 4: Simplify right side
    1,248,688.92x = 1,164,410,031,911.74
  5. Step 5: Solve for x
    x = 1,164,410,031,911.74/1,248,688.92
  6. Step 6: Final answer
    x = 932,506.10

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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.