Home / 1,390,764.65-2,083,497.46-792,139.01

Finding the Fourth Proportional to 1,390,764.65, 2,083,497.46 and 792,139.01

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Solution

The fourth proportional to 1,390,764.65, 2,083,497.46 and 792,139.01 is: 1,186,699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,764.65 : 2,083,497.46 = 792,139.01 : x
  2. Step 2: Convert to fraction form
    1,390,764.65/2,083,497.46 = 792,139.01/x
  3. Step 3: Cross multiply
    1,390,764.65x = 2,083,497.46 × 792,139.01
  4. Step 4: Simplify right side
    1,390,764.65x = 1,650,419,602,904.08
  5. Step 5: Solve for x
    x = 1,650,419,602,904.08/1,390,764.65
  6. Step 6: Final answer
    x = 1,186,699.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.