Home / 1,208,061.18-1,667,038.59-664,182.90

Finding the Fourth Proportional to 1,208,061.18, 1,667,038.59 and 664,182.90

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Solution

The fourth proportional to 1,208,061.18, 1,667,038.59 and 664,182.90 is: 916,525.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,061.18 : 1,667,038.59 = 664,182.90 : x
  2. Step 2: Convert to fraction form
    1,208,061.18/1,667,038.59 = 664,182.90/x
  3. Step 3: Cross multiply
    1,208,061.18x = 1,667,038.59 × 664,182.90
  4. Step 4: Simplify right side
    1,208,061.18x = 1,107,218,525,118.11
  5. Step 5: Solve for x
    x = 1,107,218,525,118.11/1,208,061.18
  6. Step 6: Final answer
    x = 916,525.21

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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.