Home / 1,459,888.40-2,188,342.20-986,621.60

Finding the Fourth Proportional to 1,459,888.40, 2,188,342.20 and 986,621.60

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Solution

The fourth proportional to 1,459,888.40, 2,188,342.20 and 986,621.60 is: 1,478,925.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,888.40 : 2,188,342.20 = 986,621.60 : x
  2. Step 2: Convert to fraction form
    1,459,888.40/2,188,342.20 = 986,621.60/x
  3. Step 3: Cross multiply
    1,459,888.40x = 2,188,342.20 × 986,621.60
  4. Step 4: Simplify right side
    1,459,888.40x = 2,159,065,682,711.52
  5. Step 5: Solve for x
    x = 2,159,065,682,711.52/1,459,888.40
  6. Step 6: Final answer
    x = 1,478,925.16

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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.