Home / 1,779,674.74-2,456,166.95-1,005,338.23

Finding the Fourth Proportional to 1,779,674.74, 2,456,166.95 and 1,005,338.23

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Solution

The fourth proportional to 1,779,674.74, 2,456,166.95 and 1,005,338.23 is: 1,387,488.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,674.74 : 2,456,166.95 = 1,005,338.23 : x
  2. Step 2: Convert to fraction form
    1,779,674.74/2,456,166.95 = 1,005,338.23/x
  3. Step 3: Cross multiply
    1,779,674.74x = 2,456,166.95 × 1,005,338.23
  4. Step 4: Simplify right side
    1,779,674.74x = 2,469,278,529,070.81
  5. Step 5: Solve for x
    x = 2,469,278,529,070.81/1,779,674.74
  6. Step 6: Final answer
    x = 1,387,488.66

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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.