Home / 1,257,933.60-1,887,130.80-510,055.20

Finding the Fourth Proportional to 1,257,933.60, 1,887,130.80 and 510,055.20

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Solution

The fourth proportional to 1,257,933.60, 1,887,130.80 and 510,055.20 is: 765,176.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,933.60 : 1,887,130.80 = 510,055.20 : x
  2. Step 2: Convert to fraction form
    1,257,933.60/1,887,130.80 = 510,055.20/x
  3. Step 3: Cross multiply
    1,257,933.60x = 1,887,130.80 × 510,055.20
  4. Step 4: Simplify right side
    1,257,933.60x = 962,540,877,620.16
  5. Step 5: Solve for x
    x = 962,540,877,620.16/1,257,933.60
  6. Step 6: Final answer
    x = 765,176.22

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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.