Home / 1,249,907.28-1,724,871.44-676,947.44

Finding the Fourth Proportional to 1,249,907.28, 1,724,871.44 and 676,947.44

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Solution

The fourth proportional to 1,249,907.28, 1,724,871.44 and 676,947.44 is: 934,187.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,907.28 : 1,724,871.44 = 676,947.44 : x
  2. Step 2: Convert to fraction form
    1,249,907.28/1,724,871.44 = 676,947.44/x
  3. Step 3: Cross multiply
    1,249,907.28x = 1,724,871.44 × 676,947.44
  4. Step 4: Simplify right side
    1,249,907.28x = 1,167,647,305,637.11
  5. Step 5: Solve for x
    x = 1,167,647,305,637.11/1,249,907.28
  6. Step 6: Final answer
    x = 934,187.14

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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.