Home / 1,555,042.56-2,332,406.12-417,656.94

Finding the Fourth Proportional to 1,555,042.56, 2,332,406.12 and 417,656.94

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Solution

The fourth proportional to 1,555,042.56, 2,332,406.12 and 417,656.94 is: 626,443.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,042.56 : 2,332,406.12 = 417,656.94 : x
  2. Step 2: Convert to fraction form
    1,555,042.56/2,332,406.12 = 417,656.94/x
  3. Step 3: Cross multiply
    1,555,042.56x = 2,332,406.12 × 417,656.94
  4. Step 4: Simplify right side
    1,555,042.56x = 974,145,600,828.19
  5. Step 5: Solve for x
    x = 974,145,600,828.19/1,555,042.56
  6. Step 6: Final answer
    x = 626,443.05

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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.