Home / 1,472,643.16-2,032,206.96-828,046.78

Finding the Fourth Proportional to 1,472,643.16, 2,032,206.96 and 828,046.78

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Solution

The fourth proportional to 1,472,643.16, 2,032,206.96 and 828,046.78 is: 1,142,681.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,643.16 : 2,032,206.96 = 828,046.78 : x
  2. Step 2: Convert to fraction form
    1,472,643.16/2,032,206.96 = 828,046.78/x
  3. Step 3: Cross multiply
    1,472,643.16x = 2,032,206.96 × 828,046.78
  4. Step 4: Simplify right side
    1,472,643.16x = 1,682,762,429,521.59
  5. Step 5: Solve for x
    x = 1,682,762,429,521.59/1,472,643.16
  6. Step 6: Final answer
    x = 1,142,681.73

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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.