Home / 989,524.80-1,482,537.60-877,550.40

Finding the Fourth Proportional to 989,524.80, 1,482,537.60 and 877,550.40

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Solution

The fourth proportional to 989,524.80, 1,482,537.60 and 877,550.40 is: 1,314,773.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,524.80 : 1,482,537.60 = 877,550.40 : x
  2. Step 2: Convert to fraction form
    989,524.80/1,482,537.60 = 877,550.40/x
  3. Step 3: Cross multiply
    989,524.80x = 1,482,537.60 × 877,550.40
  4. Step 4: Simplify right side
    989,524.80x = 1,301,001,463,895.04
  5. Step 5: Solve for x
    x = 1,301,001,463,895.04/989,524.80
  6. Step 6: Final answer
    x = 1,314,773.98

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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.