Home / 1,340,245.08-1,849,552.54-728,397.82

Finding the Fourth Proportional to 1,340,245.08, 1,849,552.54 and 728,397.82

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Solution

The fourth proportional to 1,340,245.08, 1,849,552.54 and 728,397.82 is: 1,005,196.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,245.08 : 1,849,552.54 = 728,397.82 : x
  2. Step 2: Convert to fraction form
    1,340,245.08/1,849,552.54 = 728,397.82/x
  3. Step 3: Cross multiply
    1,340,245.08x = 1,849,552.54 × 728,397.82
  4. Step 4: Simplify right side
    1,340,245.08x = 1,347,210,038,111.46
  5. Step 5: Solve for x
    x = 1,347,210,038,111.46/1,340,245.08
  6. Step 6: Final answer
    x = 1,005,196.78

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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.