Home / 1,009,661.40-1,514,492.10-726,226.20

Finding the Fourth Proportional to 1,009,661.40, 1,514,492.10 and 726,226.20

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Solution

The fourth proportional to 1,009,661.40, 1,514,492.10 and 726,226.20 is: 1,089,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,661.40 : 1,514,492.10 = 726,226.20 : x
  2. Step 2: Convert to fraction form
    1,009,661.40/1,514,492.10 = 726,226.20/x
  3. Step 3: Cross multiply
    1,009,661.40x = 1,514,492.10 × 726,226.20
  4. Step 4: Simplify right side
    1,009,661.40x = 1,099,863,842,713.02
  5. Step 5: Solve for x
    x = 1,099,863,842,713.02/1,009,661.40
  6. Step 6: Final answer
    x = 1,089,339.30

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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.