Home / 1,869,075-2,579,321.52-1,009,635.12

Finding the Fourth Proportional to 1,869,075, 2,579,321.52 and 1,009,635.12

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Solution

The fourth proportional to 1,869,075, 2,579,321.52 and 1,009,635.12 is: 1,393,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,075 : 2,579,321.52 = 1,009,635.12 : x
  2. Step 2: Convert to fraction form
    1,869,075/2,579,321.52 = 1,009,635.12/x
  3. Step 3: Cross multiply
    1,869,075x = 2,579,321.52 × 1,009,635.12
  4. Step 4: Simplify right side
    1,869,075x = 2,604,173,592,363.78
  5. Step 5: Solve for x
    x = 2,604,173,592,363.78/1,869,075
  6. Step 6: Final answer
    x = 1,393,295.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.