Home / 1,498,507.40-2,248,052.70-645,577.40

Finding the Fourth Proportional to 1,498,507.40, 2,248,052.70 and 645,577.40

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Solution

The fourth proportional to 1,498,507.40, 2,248,052.70 and 645,577.40 is: 968,491.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,507.40 : 2,248,052.70 = 645,577.40 : x
  2. Step 2: Convert to fraction form
    1,498,507.40/2,248,052.70 = 645,577.40/x
  3. Step 3: Cross multiply
    1,498,507.40x = 2,248,052.70 × 645,577.40
  4. Step 4: Simplify right side
    1,498,507.40x = 1,451,292,017,128.98
  5. Step 5: Solve for x
    x = 1,451,292,017,128.98/1,498,507.40
  6. Step 6: Final answer
    x = 968,491.73

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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.