Home / 1,029,685.76-1,421,004.80-576,960

Finding the Fourth Proportional to 1,029,685.76, 1,421,004.80 and 576,960

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Solution

The fourth proportional to 1,029,685.76, 1,421,004.80 and 576,960 is: 796,226.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,685.76 : 1,421,004.80 = 576,960 : x
  2. Step 2: Convert to fraction form
    1,029,685.76/1,421,004.80 = 576,960/x
  3. Step 3: Cross multiply
    1,029,685.76x = 1,421,004.80 × 576,960
  4. Step 4: Simplify right side
    1,029,685.76x = 819,862,929,408
  5. Step 5: Solve for x
    x = 819,862,929,408/1,029,685.76
  6. Step 6: Final answer
    x = 796,226.35

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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.