Home / 1,802,984.40-2,488,041.45-987,173.28

Finding the Fourth Proportional to 1,802,984.40, 2,488,041.45 and 987,173.28

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Solution

The fourth proportional to 1,802,984.40, 2,488,041.45 and 987,173.28 is: 1,362,256.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,984.40 : 2,488,041.45 = 987,173.28 : x
  2. Step 2: Convert to fraction form
    1,802,984.40/2,488,041.45 = 987,173.28/x
  3. Step 3: Cross multiply
    1,802,984.40x = 2,488,041.45 × 987,173.28
  4. Step 4: Simplify right side
    1,802,984.40x = 2,456,128,038,972.46
  5. Step 5: Solve for x
    x = 2,456,128,038,972.46/1,802,984.40
  6. Step 6: Final answer
    x = 1,362,256.96

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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.