Home / 988,643.70-1,482,965.55-971,147.70

Finding the Fourth Proportional to 988,643.70, 1,482,965.55 and 971,147.70

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Solution

The fourth proportional to 988,643.70, 1,482,965.55 and 971,147.70 is: 1,456,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,643.70 : 1,482,965.55 = 971,147.70 : x
  2. Step 2: Convert to fraction form
    988,643.70/1,482,965.55 = 971,147.70/x
  3. Step 3: Cross multiply
    988,643.70x = 1,482,965.55 × 971,147.70
  4. Step 4: Simplify right side
    988,643.70x = 1,440,178,583,061.74
  5. Step 5: Solve for x
    x = 1,440,178,583,061.74/988,643.70
  6. Step 6: Final answer
    x = 1,456,721.55

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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.