Home / 1,720,226.40-2,580,631.20-522,139.20

Finding the Fourth Proportional to 1,720,226.40, 2,580,631.20 and 522,139.20

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Solution

The fourth proportional to 1,720,226.40, 2,580,631.20 and 522,139.20 is: 783,297.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,226.40 : 2,580,631.20 = 522,139.20 : x
  2. Step 2: Convert to fraction form
    1,720,226.40/2,580,631.20 = 522,139.20/x
  3. Step 3: Cross multiply
    1,720,226.40x = 2,580,631.20 × 522,139.20
  4. Step 4: Simplify right side
    1,720,226.40x = 1,347,448,710,263.04
  5. Step 5: Solve for x
    x = 1,347,448,710,263.04/1,720,226.40
  6. Step 6: Final answer
    x = 783,297.31

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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.