Home / 1,662,087.72-2,490,594.66-986,839.32

Finding the Fourth Proportional to 1,662,087.72, 2,490,594.66 and 986,839.32

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Solution

The fourth proportional to 1,662,087.72, 2,490,594.66 and 986,839.32 is: 1,478,752.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,087.72 : 2,490,594.66 = 986,839.32 : x
  2. Step 2: Convert to fraction form
    1,662,087.72/2,490,594.66 = 986,839.32/x
  3. Step 3: Cross multiply
    1,662,087.72x = 2,490,594.66 × 986,839.32
  4. Step 4: Simplify right side
    1,662,087.72x = 2,457,816,740,670.03
  5. Step 5: Solve for x
    x = 2,457,816,740,670.03/1,662,087.72
  6. Step 6: Final answer
    x = 1,478,752.72

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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.