Home / 1,637,658.34-2,456,487.51-639,686.50

Finding the Fourth Proportional to 1,637,658.34, 2,456,487.51 and 639,686.50

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Solution

The fourth proportional to 1,637,658.34, 2,456,487.51 and 639,686.50 is: 959,529.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,658.34 : 2,456,487.51 = 639,686.50 : x
  2. Step 2: Convert to fraction form
    1,637,658.34/2,456,487.51 = 639,686.50/x
  3. Step 3: Cross multiply
    1,637,658.34x = 2,456,487.51 × 639,686.50
  4. Step 4: Simplify right side
    1,637,658.34x = 1,571,381,897,565.61
  5. Step 5: Solve for x
    x = 1,571,381,897,565.61/1,637,658.34
  6. Step 6: Final answer
    x = 959,529.75

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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.