Home / 1,344,465.60-2,014,927.20-987,806.40

Finding the Fourth Proportional to 1,344,465.60, 2,014,927.20 and 987,806.40

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Solution

The fourth proportional to 1,344,465.60, 2,014,927.20 and 987,806.40 is: 1,480,408.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,465.60 : 2,014,927.20 = 987,806.40 : x
  2. Step 2: Convert to fraction form
    1,344,465.60/2,014,927.20 = 987,806.40/x
  3. Step 3: Cross multiply
    1,344,465.60x = 2,014,927.20 × 987,806.40
  4. Step 4: Simplify right side
    1,344,465.60x = 1,990,357,983,694.08
  5. Step 5: Solve for x
    x = 1,990,357,983,694.08/1,344,465.60
  6. Step 6: Final answer
    x = 1,480,408.26

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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.