Home / 1,665,421.45-2,497,758.50-765,999.07

Finding the Fourth Proportional to 1,665,421.45, 2,497,758.50 and 765,999.07

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Solution

The fourth proportional to 1,665,421.45, 2,497,758.50 and 765,999.07 is: 1,148,826.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,421.45 : 2,497,758.50 = 765,999.07 : x
  2. Step 2: Convert to fraction form
    1,665,421.45/2,497,758.50 = 765,999.07/x
  3. Step 3: Cross multiply
    1,665,421.45x = 2,497,758.50 × 765,999.07
  4. Step 4: Simplify right side
    1,665,421.45x = 1,913,280,688,084.60
  5. Step 5: Solve for x
    x = 1,913,280,688,084.60/1,665,421.45
  6. Step 6: Final answer
    x = 1,148,826.74

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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.