Home / 1,159,892.65-1,600,609.81-643,669.07

Finding the Fourth Proportional to 1,159,892.65, 1,600,609.81 and 643,669.07

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Solution

The fourth proportional to 1,159,892.65, 1,600,609.81 and 643,669.07 is: 888,239.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,892.65 : 1,600,609.81 = 643,669.07 : x
  2. Step 2: Convert to fraction form
    1,159,892.65/1,600,609.81 = 643,669.07/x
  3. Step 3: Cross multiply
    1,159,892.65x = 1,600,609.81 × 643,669.07
  4. Step 4: Simplify right side
    1,159,892.65x = 1,030,263,024,617.23
  5. Step 5: Solve for x
    x = 1,030,263,024,617.23/1,159,892.65
  6. Step 6: Final answer
    x = 888,239.98

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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.