Home / 1,472,919.95-2,032,709.94-828,378.25

Finding the Fourth Proportional to 1,472,919.95, 2,032,709.94 and 828,378.25

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Solution

The fourth proportional to 1,472,919.95, 2,032,709.94 and 828,378.25 is: 1,143,207.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,919.95 : 2,032,709.94 = 828,378.25 : x
  2. Step 2: Convert to fraction form
    1,472,919.95/2,032,709.94 = 828,378.25/x
  3. Step 3: Cross multiply
    1,472,919.95x = 2,032,709.94 × 828,378.25
  4. Step 4: Simplify right side
    1,472,919.95x = 1,683,852,692,691.26
  5. Step 5: Solve for x
    x = 1,683,852,692,691.26/1,472,919.95
  6. Step 6: Final answer
    x = 1,143,207.20

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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.