Home / 1,686,667.20-2,530,432.80-975,422.40

Finding the Fourth Proportional to 1,686,667.20, 2,530,432.80 and 975,422.40

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Solution

The fourth proportional to 1,686,667.20, 2,530,432.80 and 975,422.40 is: 1,463,383.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,667.20 : 2,530,432.80 = 975,422.40 : x
  2. Step 2: Convert to fraction form
    1,686,667.20/2,530,432.80 = 975,422.40/x
  3. Step 3: Cross multiply
    1,686,667.20x = 2,530,432.80 × 975,422.40
  4. Step 4: Simplify right side
    1,686,667.20x = 2,468,240,834,814.72
  5. Step 5: Solve for x
    x = 2,468,240,834,814.72/1,686,667.20
  6. Step 6: Final answer
    x = 1,463,383.43

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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.