Home / 1,094,646.20-1,638,032.70-740,352.20

Finding the Fourth Proportional to 1,094,646.20, 1,638,032.70 and 740,352.20

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Solution

The fourth proportional to 1,094,646.20, 1,638,032.70 and 740,352.20 is: 1,107,865.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,646.20 : 1,638,032.70 = 740,352.20 : x
  2. Step 2: Convert to fraction form
    1,094,646.20/1,638,032.70 = 740,352.20/x
  3. Step 3: Cross multiply
    1,094,646.20x = 1,638,032.70 × 740,352.20
  4. Step 4: Simplify right side
    1,094,646.20x = 1,212,721,113,116.94
  5. Step 5: Solve for x
    x = 1,212,721,113,116.94/1,094,646.20
  6. Step 6: Final answer
    x = 1,107,865.82

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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.