Home / 1,663,646.49-2,495,911.83-526,428.90

Finding the Fourth Proportional to 1,663,646.49, 2,495,911.83 and 526,428.90

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Solution

The fourth proportional to 1,663,646.49, 2,495,911.83 and 526,428.90 is: 789,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,646.49 : 2,495,911.83 = 526,428.90 : x
  2. Step 2: Convert to fraction form
    1,663,646.49/2,495,911.83 = 526,428.90/x
  3. Step 3: Cross multiply
    1,663,646.49x = 2,495,911.83 × 526,428.90
  4. Step 4: Simplify right side
    1,663,646.49x = 1,313,920,119,163.89
  5. Step 5: Solve for x
    x = 1,313,920,119,163.89/1,663,646.49
  6. Step 6: Final answer
    x = 789,783.24

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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.