Home / 1,124,807.96-1,686,864.76-326,148.37

Finding the Fourth Proportional to 1,124,807.96, 1,686,864.76 and 326,148.37

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Solution

The fourth proportional to 1,124,807.96, 1,686,864.76 and 326,148.37 is: 489,121.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,807.96 : 1,686,864.76 = 326,148.37 : x
  2. Step 2: Convert to fraction form
    1,124,807.96/1,686,864.76 = 326,148.37/x
  3. Step 3: Cross multiply
    1,124,807.96x = 1,686,864.76 × 326,148.37
  4. Step 4: Simplify right side
    1,124,807.96x = 550,168,186,851.91
  5. Step 5: Solve for x
    x = 550,168,186,851.91/1,124,807.96
  6. Step 6: Final answer
    x = 489,121.88

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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.