Home / 1,488,448.65-2,055,216.15-1,143,741.23

Finding the Fourth Proportional to 1,488,448.65, 2,055,216.15 and 1,143,741.23

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Solution

The fourth proportional to 1,488,448.65, 2,055,216.15 and 1,143,741.23 is: 1,579,251.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,448.65 : 2,055,216.15 = 1,143,741.23 : x
  2. Step 2: Convert to fraction form
    1,488,448.65/2,055,216.15 = 1,143,741.23/x
  3. Step 3: Cross multiply
    1,488,448.65x = 2,055,216.15 × 1,143,741.23
  4. Step 4: Simplify right side
    1,488,448.65x = 2,350,635,447,316.86
  5. Step 5: Solve for x
    x = 2,350,635,447,316.86/1,488,448.65
  6. Step 6: Final answer
    x = 1,579,251.96

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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.