Home / 1,388,483.08-1,915,541.22-904,872.04

Finding the Fourth Proportional to 1,388,483.08, 1,915,541.22 and 904,872.04

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Solution

The fourth proportional to 1,388,483.08, 1,915,541.22 and 904,872.04 is: 1,248,354.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,483.08 : 1,915,541.22 = 904,872.04 : x
  2. Step 2: Convert to fraction form
    1,388,483.08/1,915,541.22 = 904,872.04/x
  3. Step 3: Cross multiply
    1,388,483.08x = 1,915,541.22 × 904,872.04
  4. Step 4: Simplify right side
    1,388,483.08x = 1,733,319,691,445.49
  5. Step 5: Solve for x
    x = 1,733,319,691,445.49/1,388,483.08
  6. Step 6: Final answer
    x = 1,248,354.93

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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.