Home / 992,071.26-1,488,768.66-637,339.86

Finding the Fourth Proportional to 992,071.26, 1,488,768.66 and 637,339.86

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Solution

The fourth proportional to 992,071.26, 1,488,768.66 and 637,339.86 is: 956,434.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,071.26 : 1,488,768.66 = 637,339.86 : x
  2. Step 2: Convert to fraction form
    992,071.26/1,488,768.66 = 637,339.86/x
  3. Step 3: Cross multiply
    992,071.26x = 1,488,768.66 × 637,339.86
  4. Step 4: Simplify right side
    992,071.26x = 948,851,609,336.79
  5. Step 5: Solve for x
    x = 948,851,609,336.79/992,071.26
  6. Step 6: Final answer
    x = 956,434.93

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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.