Home / 1,276,014.48-1,913,921.22-556,339.20

Finding the Fourth Proportional to 1,276,014.48, 1,913,921.22 and 556,339.20

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Solution

The fourth proportional to 1,276,014.48, 1,913,921.22 and 556,339.20 is: 834,464.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,014.48 : 1,913,921.22 = 556,339.20 : x
  2. Step 2: Convert to fraction form
    1,276,014.48/1,913,921.22 = 556,339.20/x
  3. Step 3: Cross multiply
    1,276,014.48x = 1,913,921.22 × 556,339.20
  4. Step 4: Simplify right side
    1,276,014.48x = 1,064,789,400,397.82
  5. Step 5: Solve for x
    x = 1,064,789,400,397.82/1,276,014.48
  6. Step 6: Final answer
    x = 834,464.98

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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.