Home / 1,313,707.80-1,812,607.34-797,448.91

Finding the Fourth Proportional to 1,313,707.80, 1,812,607.34 and 797,448.91

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Solution

The fourth proportional to 1,313,707.80, 1,812,607.34 and 797,448.91 is: 1,100,291.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,707.80 : 1,812,607.34 = 797,448.91 : x
  2. Step 2: Convert to fraction form
    1,313,707.80/1,812,607.34 = 797,448.91/x
  3. Step 3: Cross multiply
    1,313,707.80x = 1,812,607.34 × 797,448.91
  4. Step 4: Simplify right side
    1,313,707.80x = 1,445,461,739,022.24
  5. Step 5: Solve for x
    x = 1,445,461,739,022.24/1,313,707.80
  6. Step 6: Final answer
    x = 1,100,291.67

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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.