Home / 1,452,010.40-2,178,613.92-641,968.76

Finding the Fourth Proportional to 1,452,010.40, 2,178,613.92 and 641,968.76

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Solution

The fourth proportional to 1,452,010.40, 2,178,613.92 and 641,968.76 is: 963,217.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,010.40 : 2,178,613.92 = 641,968.76 : x
  2. Step 2: Convert to fraction form
    1,452,010.40/2,178,613.92 = 641,968.76/x
  3. Step 3: Cross multiply
    1,452,010.40x = 2,178,613.92 × 641,968.76
  4. Step 4: Simplify right side
    1,452,010.40x = 1,398,602,076,741.14
  5. Step 5: Solve for x
    x = 1,398,602,076,741.14/1,452,010.40
  6. Step 6: Final answer
    x = 963,217.67

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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.