Home / 1,435,442.04-1,980,932.76-790,855.92

Finding the Fourth Proportional to 1,435,442.04, 1,980,932.76 and 790,855.92

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Solution

The fourth proportional to 1,435,442.04, 1,980,932.76 and 790,855.92 is: 1,091,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,442.04 : 1,980,932.76 = 790,855.92 : x
  2. Step 2: Convert to fraction form
    1,435,442.04/1,980,932.76 = 790,855.92/x
  3. Step 3: Cross multiply
    1,435,442.04x = 1,980,932.76 × 790,855.92
  4. Step 4: Simplify right side
    1,435,442.04x = 1,566,632,400,367.94
  5. Step 5: Solve for x
    x = 1,566,632,400,367.94/1,435,442.04
  6. Step 6: Final answer
    x = 1,091,393.70

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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.