Home / 1,418,943.96-1,958,184.14-774,405.52

Finding the Fourth Proportional to 1,418,943.96, 1,958,184.14 and 774,405.52

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Solution

The fourth proportional to 1,418,943.96, 1,958,184.14 and 774,405.52 is: 1,068,702.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,943.96 : 1,958,184.14 = 774,405.52 : x
  2. Step 2: Convert to fraction form
    1,418,943.96/1,958,184.14 = 774,405.52/x
  3. Step 3: Cross multiply
    1,418,943.96x = 1,958,184.14 × 774,405.52
  4. Step 4: Simplify right side
    1,418,943.96x = 1,516,428,607,192.45
  5. Step 5: Solve for x
    x = 1,516,428,607,192.45/1,418,943.96
  6. Step 6: Final answer
    x = 1,068,702.25

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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.