Home / 1,429,613.76-2,143,790.82-671,670.66

Finding the Fourth Proportional to 1,429,613.76, 2,143,790.82 and 671,670.66

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Solution

The fourth proportional to 1,429,613.76, 2,143,790.82 and 671,670.66 is: 1,007,210.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,613.76 : 2,143,790.82 = 671,670.66 : x
  2. Step 2: Convert to fraction form
    1,429,613.76/2,143,790.82 = 671,670.66/x
  3. Step 3: Cross multiply
    1,429,613.76x = 2,143,790.82 × 671,670.66
  4. Step 4: Simplify right side
    1,429,613.76x = 1,439,921,394,971.34
  5. Step 5: Solve for x
    x = 1,439,921,394,971.34/1,429,613.76
  6. Step 6: Final answer
    x = 1,007,210.08

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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.