Home / 1,079,530.50-1,619,856.16-440,303.20

Finding the Fourth Proportional to 1,079,530.50, 1,619,856.16 and 440,303.20

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Solution

The fourth proportional to 1,079,530.50, 1,619,856.16 and 440,303.20 is: 660,683.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,530.50 : 1,619,856.16 = 440,303.20 : x
  2. Step 2: Convert to fraction form
    1,079,530.50/1,619,856.16 = 440,303.20/x
  3. Step 3: Cross multiply
    1,079,530.50x = 1,619,856.16 × 440,303.20
  4. Step 4: Simplify right side
    1,079,530.50x = 713,227,850,787.71
  5. Step 5: Solve for x
    x = 713,227,850,787.71/1,079,530.50
  6. Step 6: Final answer
    x = 660,683.37

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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.