Home / 1,018,992.52-1,403,779.26-712,495.39

Finding the Fourth Proportional to 1,018,992.52, 1,403,779.26 and 712,495.39

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Solution

The fourth proportional to 1,018,992.52, 1,403,779.26 and 712,495.39 is: 981,544.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,992.52 : 1,403,779.26 = 712,495.39 : x
  2. Step 2: Convert to fraction form
    1,018,992.52/1,403,779.26 = 712,495.39/x
  3. Step 3: Cross multiply
    1,018,992.52x = 1,403,779.26 × 712,495.39
  4. Step 4: Simplify right side
    1,018,992.52x = 1,000,186,251,327.61
  5. Step 5: Solve for x
    x = 1,000,186,251,327.61/1,018,992.52
  6. Step 6: Final answer
    x = 981,544.25

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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.