Home / 1,448,378.40-2,172,826.80-607,015.20

Finding the Fourth Proportional to 1,448,378.40, 2,172,826.80 and 607,015.20

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Solution

The fourth proportional to 1,448,378.40, 2,172,826.80 and 607,015.20 is: 910,631.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,378.40 : 2,172,826.80 = 607,015.20 : x
  2. Step 2: Convert to fraction form
    1,448,378.40/2,172,826.80 = 607,015.20/x
  3. Step 3: Cross multiply
    1,448,378.40x = 2,172,826.80 × 607,015.20
  4. Step 4: Simplify right side
    1,448,378.40x = 1,318,938,894,567.36
  5. Step 5: Solve for x
    x = 1,318,938,894,567.36/1,448,378.40
  6. Step 6: Final answer
    x = 910,631.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.