Home / 1,487,922-2,232,515.16-813,215.16

Finding the Fourth Proportional to 1,487,922, 2,232,515.16 and 813,215.16

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Solution

The fourth proportional to 1,487,922, 2,232,515.16 and 813,215.16 is: 1,220,168.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,922 : 2,232,515.16 = 813,215.16 : x
  2. Step 2: Convert to fraction form
    1,487,922/2,232,515.16 = 813,215.16/x
  3. Step 3: Cross multiply
    1,487,922x = 2,232,515.16 × 813,215.16
  4. Step 4: Simplify right side
    1,487,922x = 1,815,515,173,041.83
  5. Step 5: Solve for x
    x = 1,815,515,173,041.83/1,487,922
  6. Step 6: Final answer
    x = 1,220,168.24

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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.