Home / 1,709,729.90-2,564,266.80-511,691.30

Finding the Fourth Proportional to 1,709,729.90, 2,564,266.80 and 511,691.30

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Solution

The fourth proportional to 1,709,729.90, 2,564,266.80 and 511,691.30 is: 767,438.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,729.90 : 2,564,266.80 = 511,691.30 : x
  2. Step 2: Convert to fraction form
    1,709,729.90/2,564,266.80 = 511,691.30/x
  3. Step 3: Cross multiply
    1,709,729.90x = 2,564,266.80 × 511,691.30
  4. Step 4: Simplify right side
    1,709,729.90x = 1,312,113,012,438.84
  5. Step 5: Solve for x
    x = 1,312,113,012,438.84/1,709,729.90
  6. Step 6: Final answer
    x = 767,438.77

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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.