Home / 1,443,135.08-2,164,035.59-812,048.90

Finding the Fourth Proportional to 1,443,135.08, 2,164,035.59 and 812,048.90

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Solution

The fourth proportional to 1,443,135.08, 2,164,035.59 and 812,048.90 is: 1,217,698.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,135.08 : 2,164,035.59 = 812,048.90 : x
  2. Step 2: Convert to fraction form
    1,443,135.08/2,164,035.59 = 812,048.90/x
  3. Step 3: Cross multiply
    1,443,135.08x = 2,164,035.59 × 812,048.90
  4. Step 4: Simplify right side
    1,443,135.08x = 1,757,302,708,585.11
  5. Step 5: Solve for x
    x = 1,757,302,708,585.11/1,443,135.08
  6. Step 6: Final answer
    x = 1,217,698.00

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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.