Home / 1,186,075.80-1,779,098.00-287,525.58

Finding the Fourth Proportional to 1,186,075.80, 1,779,098.00 and 287,525.58

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Solution

The fourth proportional to 1,186,075.80, 1,779,098.00 and 287,525.58 is: 431,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,075.80 : 1,779,098.00 = 287,525.58 : x
  2. Step 2: Convert to fraction form
    1,186,075.80/1,779,098.00 = 287,525.58/x
  3. Step 3: Cross multiply
    1,186,075.80x = 1,779,098.00 × 287,525.58
  4. Step 4: Simplify right side
    1,186,075.80x = 511,536,182,889.21
  5. Step 5: Solve for x
    x = 511,536,182,889.21/1,186,075.80
  6. Step 6: Final answer
    x = 431,284.56

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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.