Home / 1,472,771.84-2,032,412.31-828,178.29

Finding the Fourth Proportional to 1,472,771.84, 2,032,412.31 and 828,178.29

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Solution

The fourth proportional to 1,472,771.84, 2,032,412.31 and 828,178.29 is: 1,142,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,771.84 : 2,032,412.31 = 828,178.29 : x
  2. Step 2: Convert to fraction form
    1,472,771.84/2,032,412.31 = 828,178.29/x
  3. Step 3: Cross multiply
    1,472,771.84x = 2,032,412.31 × 828,178.29
  4. Step 4: Simplify right side
    1,472,771.84x = 1,683,199,751,470.75
  5. Step 5: Solve for x
    x = 1,683,199,751,470.75/1,472,771.84
  6. Step 6: Final answer
    x = 1,142,878.83

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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.