Home / 1,488,106.89-2,231,061.57-476,643.69

Finding the Fourth Proportional to 1,488,106.89, 2,231,061.57 and 476,643.69

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Solution

The fourth proportional to 1,488,106.89, 2,231,061.57 and 476,643.69 is: 714,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,106.89 : 2,231,061.57 = 476,643.69 : x
  2. Step 2: Convert to fraction form
    1,488,106.89/2,231,061.57 = 476,643.69/x
  3. Step 3: Cross multiply
    1,488,106.89x = 2,231,061.57 × 476,643.69
  4. Step 4: Simplify right side
    1,488,106.89x = 1,063,421,419,341.99
  5. Step 5: Solve for x
    x = 1,063,421,419,341.99/1,488,106.89
  6. Step 6: Final answer
    x = 714,613.60

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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.