Home / 1,190,575.86-1,643,024.31-646,711.48

Finding the Fourth Proportional to 1,190,575.86, 1,643,024.31 and 646,711.48

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Solution

The fourth proportional to 1,190,575.86, 1,643,024.31 and 646,711.48 is: 892,477.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,575.86 : 1,643,024.31 = 646,711.48 : x
  2. Step 2: Convert to fraction form
    1,190,575.86/1,643,024.31 = 646,711.48/x
  3. Step 3: Cross multiply
    1,190,575.86x = 1,643,024.31 × 646,711.48
  4. Step 4: Simplify right side
    1,190,575.86x = 1,062,562,683,196.08
  5. Step 5: Solve for x
    x = 1,062,562,683,196.08/1,190,575.86
  6. Step 6: Final answer
    x = 892,477.93

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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.