Home / 1,804,897.36-2,490,761.28-988,971.40

Finding the Fourth Proportional to 1,804,897.36, 2,490,761.28 and 988,971.40

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Solution

The fourth proportional to 1,804,897.36, 2,490,761.28 and 988,971.40 is: 1,364,782.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,897.36 : 2,490,761.28 = 988,971.40 : x
  2. Step 2: Convert to fraction form
    1,804,897.36/2,490,761.28 = 988,971.40/x
  3. Step 3: Cross multiply
    1,804,897.36x = 2,490,761.28 × 988,971.40
  4. Step 4: Simplify right side
    1,804,897.36x = 2,463,291,670,147.39
  5. Step 5: Solve for x
    x = 2,463,291,670,147.39/1,804,897.36
  6. Step 6: Final answer
    x = 1,364,782.13

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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.