Home / 1,587,968.96-2,191,495.20-908,889.92

Finding the Fourth Proportional to 1,587,968.96, 2,191,495.20 and 908,889.92

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Solution

The fourth proportional to 1,587,968.96, 2,191,495.20 and 908,889.92 is: 1,254,324.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,968.96 : 2,191,495.20 = 908,889.92 : x
  2. Step 2: Convert to fraction form
    1,587,968.96/2,191,495.20 = 908,889.92/x
  3. Step 3: Cross multiply
    1,587,968.96x = 2,191,495.20 × 908,889.92
  4. Step 4: Simplify right side
    1,587,968.96x = 1,991,827,897,008.38
  5. Step 5: Solve for x
    x = 1,991,827,897,008.38/1,587,968.96
  6. Step 6: Final answer
    x = 1,254,324.20

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1.5x scale

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.