Home / 1,276,759.61-1,761,927.90-703,809.35

Finding the Fourth Proportional to 1,276,759.61, 1,761,927.90 and 703,809.35

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Solution

The fourth proportional to 1,276,759.61, 1,761,927.90 and 703,809.35 is: 971,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,759.61 : 1,761,927.90 = 703,809.35 : x
  2. Step 2: Convert to fraction form
    1,276,759.61/1,761,927.90 = 703,809.35/x
  3. Step 3: Cross multiply
    1,276,759.61x = 1,761,927.90 × 703,809.35
  4. Step 4: Simplify right side
    1,276,759.61x = 1,240,061,330,045.87
  5. Step 5: Solve for x
    x = 1,240,061,330,045.87/1,276,759.61
  6. Step 6: Final answer
    x = 971,256.70

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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.