Home / 1,438,772.70-2,159,143.20-799,075.20

Finding the Fourth Proportional to 1,438,772.70, 2,159,143.20 and 799,075.20

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Solution

The fourth proportional to 1,438,772.70, 2,159,143.20 and 799,075.20 is: 1,199,159.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,772.70 : 2,159,143.20 = 799,075.20 : x
  2. Step 2: Convert to fraction form
    1,438,772.70/2,159,143.20 = 799,075.20/x
  3. Step 3: Cross multiply
    1,438,772.70x = 2,159,143.20 × 799,075.20
  4. Step 4: Simplify right side
    1,438,772.70x = 1,725,317,784,368.64
  5. Step 5: Solve for x
    x = 1,725,317,784,368.64/1,438,772.70
  6. Step 6: Final answer
    x = 1,199,159.38

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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.