Home / 1,488,776.94-2,234,083.92-689,909.58

Finding the Fourth Proportional to 1,488,776.94, 2,234,083.92 and 689,909.58

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Solution

The fourth proportional to 1,488,776.94, 2,234,083.92 and 689,909.58 is: 1,035,290.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,776.94 : 2,234,083.92 = 689,909.58 : x
  2. Step 2: Convert to fraction form
    1,488,776.94/2,234,083.92 = 689,909.58/x
  3. Step 3: Cross multiply
    1,488,776.94x = 2,234,083.92 × 689,909.58
  4. Step 4: Simplify right side
    1,488,776.94x = 1,541,315,898,931.95
  5. Step 5: Solve for x
    x = 1,541,315,898,931.95/1,488,776.94
  6. Step 6: Final answer
    x = 1,035,290.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.