Home / 1,148,513.58-1,722,927.98-390,151.48

Finding the Fourth Proportional to 1,148,513.58, 1,722,927.98 and 390,151.48

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Solution

The fourth proportional to 1,148,513.58, 1,722,927.98 and 390,151.48 is: 585,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,513.58 : 1,722,927.98 = 390,151.48 : x
  2. Step 2: Convert to fraction form
    1,148,513.58/1,722,927.98 = 390,151.48/x
  3. Step 3: Cross multiply
    1,148,513.58x = 1,722,927.98 × 390,151.48
  4. Step 4: Simplify right side
    1,148,513.58x = 672,202,901,330.41
  5. Step 5: Solve for x
    x = 672,202,901,330.41/1,148,513.58
  6. Step 6: Final answer
    x = 585,280.76

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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.