Home / 1,313,502.64-1,812,563.26-740,505.89

Finding the Fourth Proportional to 1,313,502.64, 1,812,563.26 and 740,505.89

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Solution

The fourth proportional to 1,313,502.64, 1,812,563.26 and 740,505.89 is: 1,021,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,502.64 : 1,812,563.26 = 740,505.89 : x
  2. Step 2: Convert to fraction form
    1,313,502.64/1,812,563.26 = 740,505.89/x
  3. Step 3: Cross multiply
    1,313,502.64x = 1,812,563.26 × 740,505.89
  4. Step 4: Simplify right side
    1,313,502.64x = 1,342,213,772,707.74
  5. Step 5: Solve for x
    x = 1,342,213,772,707.74/1,313,502.64
  6. Step 6: Final answer
    x = 1,021,858.45

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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.