Home / 1,296,313.40-1,943,886.90-497,329.40

Finding the Fourth Proportional to 1,296,313.40, 1,943,886.90 and 497,329.40

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Solution

The fourth proportional to 1,296,313.40, 1,943,886.90 and 497,329.40 is: 745,770.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,313.40 : 1,943,886.90 = 497,329.40 : x
  2. Step 2: Convert to fraction form
    1,296,313.40/1,943,886.90 = 497,329.40/x
  3. Step 3: Cross multiply
    1,296,313.40x = 1,943,886.90 × 497,329.40
  4. Step 4: Simplify right side
    1,296,313.40x = 966,752,105,644.86
  5. Step 5: Solve for x
    x = 966,752,105,644.86/1,296,313.40
  6. Step 6: Final answer
    x = 745,770.36

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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.