Home / 1,310,857.08-1,808,978.04-737,898.72

Finding the Fourth Proportional to 1,310,857.08, 1,808,978.04 and 737,898.72

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Solution

The fourth proportional to 1,310,857.08, 1,808,978.04 and 737,898.72 is: 1,018,297.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,857.08 : 1,808,978.04 = 737,898.72 : x
  2. Step 2: Convert to fraction form
    1,310,857.08/1,808,978.04 = 737,898.72/x
  3. Step 3: Cross multiply
    1,310,857.08x = 1,808,978.04 × 737,898.72
  4. Step 4: Simplify right side
    1,310,857.08x = 1,334,842,580,224.11
  5. Step 5: Solve for x
    x = 1,334,842,580,224.11/1,310,857.08
  6. Step 6: Final answer
    x = 1,018,297.57

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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.