Home / 1,280,439.59-1,767,003-707,475.68

Finding the Fourth Proportional to 1,280,439.59, 1,767,003 and 707,475.68

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Solution

The fourth proportional to 1,280,439.59, 1,767,003 and 707,475.68 is: 976,314.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,439.59 : 1,767,003 = 707,475.68 : x
  2. Step 2: Convert to fraction form
    1,280,439.59/1,767,003 = 707,475.68/x
  3. Step 3: Cross multiply
    1,280,439.59x = 1,767,003 × 707,475.68
  4. Step 4: Simplify right side
    1,280,439.59x = 1,250,111,640,152.03
  5. Step 5: Solve for x
    x = 1,250,111,640,152.03/1,280,439.59
  6. Step 6: Final answer
    x = 976,314.43

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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.