Home / 1,213,898.10-1,674,150.93-730,372.91

Finding the Fourth Proportional to 1,213,898.10, 1,674,150.93 and 730,372.91

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Solution

The fourth proportional to 1,213,898.10, 1,674,150.93 and 730,372.91 is: 1,007,295.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,898.10 : 1,674,150.93 = 730,372.91 : x
  2. Step 2: Convert to fraction form
    1,213,898.10/1,674,150.93 = 730,372.91/x
  3. Step 3: Cross multiply
    1,213,898.10x = 1,674,150.93 × 730,372.91
  4. Step 4: Simplify right side
    1,213,898.10x = 1,222,754,478,152.55
  5. Step 5: Solve for x
    x = 1,222,754,478,152.55/1,213,898.10
  6. Step 6: Final answer
    x = 1,007,295.82

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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.