Home / 1,558,931.60-2,336,647.80-660,220.40

Finding the Fourth Proportional to 1,558,931.60, 2,336,647.80 and 660,220.40

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Solution

The fourth proportional to 1,558,931.60, 2,336,647.80 and 660,220.40 is: 989,589.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,931.60 : 2,336,647.80 = 660,220.40 : x
  2. Step 2: Convert to fraction form
    1,558,931.60/2,336,647.80 = 660,220.40/x
  3. Step 3: Cross multiply
    1,558,931.60x = 2,336,647.80 × 660,220.40
  4. Step 4: Simplify right side
    1,558,931.60x = 1,542,702,545,175.12
  5. Step 5: Solve for x
    x = 1,542,702,545,175.12/1,558,931.60
  6. Step 6: Final answer
    x = 989,589.63

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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.