Home / 963,669.90-1,445,504.85-864,137.10

Finding the Fourth Proportional to 963,669.90, 1,445,504.85 and 864,137.10

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Solution

The fourth proportional to 963,669.90, 1,445,504.85 and 864,137.10 is: 1,296,205.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,669.90 : 1,445,504.85 = 864,137.10 : x
  2. Step 2: Convert to fraction form
    963,669.90/1,445,504.85 = 864,137.10/x
  3. Step 3: Cross multiply
    963,669.90x = 1,445,504.85 × 864,137.10
  4. Step 4: Simplify right side
    963,669.90x = 1,249,114,369,114.94
  5. Step 5: Solve for x
    x = 1,249,114,369,114.94/963,669.90
  6. Step 6: Final answer
    x = 1,296,205.65

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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.