Home / 1,804,385.13-2,490,051.42-988,619.70

Finding the Fourth Proportional to 1,804,385.13, 2,490,051.42 and 988,619.70

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Solution

The fourth proportional to 1,804,385.13, 2,490,051.42 and 988,619.70 is: 1,364,295.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,385.13 : 2,490,051.42 = 988,619.70 : x
  2. Step 2: Convert to fraction form
    1,804,385.13/2,490,051.42 = 988,619.70/x
  3. Step 3: Cross multiply
    1,804,385.13x = 2,490,051.42 × 988,619.70
  4. Step 4: Simplify right side
    1,804,385.13x = 2,461,713,887,824.97
  5. Step 5: Solve for x
    x = 2,461,713,887,824.97/1,804,385.13
  6. Step 6: Final answer
    x = 1,364,295.15

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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.