Home / 1,238,836.26-1,858,931.45-480,707.47

Finding the Fourth Proportional to 1,238,836.26, 1,858,931.45 and 480,707.47

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Solution

The fourth proportional to 1,238,836.26, 1,858,931.45 and 480,707.47 is: 721,323.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,836.26 : 1,858,931.45 = 480,707.47 : x
  2. Step 2: Convert to fraction form
    1,238,836.26/1,858,931.45 = 480,707.47/x
  3. Step 3: Cross multiply
    1,238,836.26x = 1,858,931.45 × 480,707.47
  4. Step 4: Simplify right side
    1,238,836.26x = 893,602,234,232.93
  5. Step 5: Solve for x
    x = 893,602,234,232.93/1,238,836.26
  6. Step 6: Final answer
    x = 721,323.93

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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.