Home / 1,008,862.11-1,392,220.58-556,153.11

Finding the Fourth Proportional to 1,008,862.11, 1,392,220.58 and 556,153.11

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Solution

The fourth proportional to 1,008,862.11, 1,392,220.58 and 556,153.11 is: 767,486.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,862.11 : 1,392,220.58 = 556,153.11 : x
  2. Step 2: Convert to fraction form
    1,008,862.11/1,392,220.58 = 556,153.11/x
  3. Step 3: Cross multiply
    1,008,862.11x = 1,392,220.58 × 556,153.11
  4. Step 4: Simplify right side
    1,008,862.11x = 774,287,802,592.24
  5. Step 5: Solve for x
    x = 774,287,802,592.24/1,008,862.11
  6. Step 6: Final answer
    x = 767,486.25

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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.