Home / 1,248,693.46-1,872,281.70-489,625.50

Finding the Fourth Proportional to 1,248,693.46, 1,872,281.70 and 489,625.50

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Solution

The fourth proportional to 1,248,693.46, 1,872,281.70 and 489,625.50 is: 734,140.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,693.46 : 1,872,281.70 = 489,625.50 : x
  2. Step 2: Convert to fraction form
    1,248,693.46/1,872,281.70 = 489,625.50/x
  3. Step 3: Cross multiply
    1,248,693.46x = 1,872,281.70 × 489,625.50
  4. Step 4: Simplify right side
    1,248,693.46x = 916,716,863,503.35
  5. Step 5: Solve for x
    x = 916,716,863,503.35/1,248,693.46
  6. Step 6: Final answer
    x = 734,140.84

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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.