Home / 1,296,205.40-1,943,724.90-497,221.40

Finding the Fourth Proportional to 1,296,205.40, 1,943,724.90 and 497,221.40

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Solution

The fourth proportional to 1,296,205.40, 1,943,724.90 and 497,221.40 is: 745,608.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,205.40 : 1,943,724.90 = 497,221.40 : x
  2. Step 2: Convert to fraction form
    1,296,205.40/1,943,724.90 = 497,221.40/x
  3. Step 3: Cross multiply
    1,296,205.40x = 1,943,724.90 × 497,221.40
  4. Step 4: Simplify right side
    1,296,205.40x = 966,461,615,992.86
  5. Step 5: Solve for x
    x = 966,461,615,992.86/1,296,205.40
  6. Step 6: Final answer
    x = 745,608.39

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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.