Home / 1,804,422.08-2,490,100.96-988,678.40

Finding the Fourth Proportional to 1,804,422.08, 2,490,100.96 and 988,678.40

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Solution

The fourth proportional to 1,804,422.08, 2,490,100.96 and 988,678.40 is: 1,364,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,422.08 : 2,490,100.96 = 988,678.40 : x
  2. Step 2: Convert to fraction form
    1,804,422.08/2,490,100.96 = 988,678.40/x
  3. Step 3: Cross multiply
    1,804,422.08x = 2,490,100.96 × 988,678.40
  4. Step 4: Simplify right side
    1,804,422.08x = 2,461,909,032,971.26
  5. Step 5: Solve for x
    x = 2,461,909,032,971.26/1,804,422.08
  6. Step 6: Final answer
    x = 1,364,375.36

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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.