Home / 1,105,310.08-1,525,317.12-615,271.82

Finding the Fourth Proportional to 1,105,310.08, 1,525,317.12 and 615,271.82

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Solution

The fourth proportional to 1,105,310.08, 1,525,317.12 and 615,271.82 is: 849,069.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,310.08 : 1,525,317.12 = 615,271.82 : x
  2. Step 2: Convert to fraction form
    1,105,310.08/1,525,317.12 = 615,271.82/x
  3. Step 3: Cross multiply
    1,105,310.08x = 1,525,317.12 × 615,271.82
  4. Step 4: Simplify right side
    1,105,310.08x = 938,484,644,312.85
  5. Step 5: Solve for x
    x = 938,484,644,312.85/1,105,310.08
  6. Step 6: Final answer
    x = 849,069.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.