Home / 1,280,439.84-1,767,003.34-707,475.93

Finding the Fourth Proportional to 1,280,439.84, 1,767,003.34 and 707,475.93

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Solution

The fourth proportional to 1,280,439.84, 1,767,003.34 and 707,475.93 is: 976,314.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,439.84 : 1,767,003.34 = 707,475.93 : x
  2. Step 2: Convert to fraction form
    1,280,439.84/1,767,003.34 = 707,475.93/x
  3. Step 3: Cross multiply
    1,280,439.84x = 1,767,003.34 × 707,475.93
  4. Step 4: Simplify right side
    1,280,439.84x = 1,250,112,331,279.61
  5. Step 5: Solve for x
    x = 1,250,112,331,279.61/1,280,439.84
  6. Step 6: Final answer
    x = 976,314.77

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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.