Home / 1,357,936.52-2,036,870.22-648,465.80

Finding the Fourth Proportional to 1,357,936.52, 2,036,870.22 and 648,465.80

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Solution

The fourth proportional to 1,357,936.52, 2,036,870.22 and 648,465.80 is: 972,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,936.52 : 2,036,870.22 = 648,465.80 : x
  2. Step 2: Convert to fraction form
    1,357,936.52/2,036,870.22 = 648,465.80/x
  3. Step 3: Cross multiply
    1,357,936.52x = 2,036,870.22 × 648,465.80
  4. Step 4: Simplify right side
    1,357,936.52x = 1,320,840,676,708.48
  5. Step 5: Solve for x
    x = 1,320,840,676,708.48/1,357,936.52
  6. Step 6: Final answer
    x = 972,682.20

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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.