Home / 1,110,145.79-1,532,038.34-680,342.91

Finding the Fourth Proportional to 1,110,145.79, 1,532,038.34 and 680,342.91

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Solution

The fourth proportional to 1,110,145.79, 1,532,038.34 and 680,342.91 is: 938,895.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,145.79 : 1,532,038.34 = 680,342.91 : x
  2. Step 2: Convert to fraction form
    1,110,145.79/1,532,038.34 = 680,342.91/x
  3. Step 3: Cross multiply
    1,110,145.79x = 1,532,038.34 × 680,342.91
  4. Step 4: Simplify right side
    1,110,145.79x = 1,042,311,422,467.17
  5. Step 5: Solve for x
    x = 1,042,311,422,467.17/1,110,145.79
  6. Step 6: Final answer
    x = 938,895.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.