Home / 1,344,466.60-2,014,928.70-987,807.40

Finding the Fourth Proportional to 1,344,466.60, 2,014,928.70 and 987,807.40

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Solution

The fourth proportional to 1,344,466.60, 2,014,928.70 and 987,807.40 is: 1,480,409.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,466.60 : 2,014,928.70 = 987,807.40 : x
  2. Step 2: Convert to fraction form
    1,344,466.60/2,014,928.70 = 987,807.40/x
  3. Step 3: Cross multiply
    1,344,466.60x = 2,014,928.70 × 987,807.40
  4. Step 4: Simplify right side
    1,344,466.60x = 1,990,361,480,332.38
  5. Step 5: Solve for x
    x = 1,990,361,480,332.38/1,344,466.60
  6. Step 6: Final answer
    x = 1,480,409.76

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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.