Home / 1,371,079.51-1,892,076.57-790,089.19

Finding the Fourth Proportional to 1,371,079.51, 1,892,076.57 and 790,089.19

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Solution

The fourth proportional to 1,371,079.51, 1,892,076.57 and 790,089.19 is: 1,090,315.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,079.51 : 1,892,076.57 = 790,089.19 : x
  2. Step 2: Convert to fraction form
    1,371,079.51/1,892,076.57 = 790,089.19/x
  3. Step 3: Cross multiply
    1,371,079.51x = 1,892,076.57 × 790,089.19
  4. Step 4: Simplify right side
    1,371,079.51x = 1,494,909,239,879.09
  5. Step 5: Solve for x
    x = 1,494,909,239,879.09/1,371,079.51
  6. Step 6: Final answer
    x = 1,090,315.50

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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.