Home / 1,414,328.80-2,121,622.80-572,706.40

Finding the Fourth Proportional to 1,414,328.80, 2,121,622.80 and 572,706.40

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Solution

The fourth proportional to 1,414,328.80, 2,121,622.80 and 572,706.40 is: 859,112.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,328.80 : 2,121,622.80 = 572,706.40 : x
  2. Step 2: Convert to fraction form
    1,414,328.80/2,121,622.80 = 572,706.40/x
  3. Step 3: Cross multiply
    1,414,328.80x = 2,121,622.80 × 572,706.40
  4. Step 4: Simplify right side
    1,414,328.80x = 1,215,066,955,945.92
  5. Step 5: Solve for x
    x = 1,215,066,955,945.92/1,414,328.80
  6. Step 6: Final answer
    x = 859,112.08

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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.