Home / 990,561.60-1,485,842.40-984,656.70

Finding the Fourth Proportional to 990,561.60, 1,485,842.40 and 984,656.70

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Solution

The fourth proportional to 990,561.60, 1,485,842.40 and 984,656.70 is: 1,476,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,561.60 : 1,485,842.40 = 984,656.70 : x
  2. Step 2: Convert to fraction form
    990,561.60/1,485,842.40 = 984,656.70/x
  3. Step 3: Cross multiply
    990,561.60x = 1,485,842.40 × 984,656.70
  4. Step 4: Simplify right side
    990,561.60x = 1,463,044,674,304.08
  5. Step 5: Solve for x
    x = 1,463,044,674,304.08/990,561.60
  6. Step 6: Final answer
    x = 1,476,985.05

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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.