Home / 1,296,137.40-1,943,622.90-497,153.40

Finding the Fourth Proportional to 1,296,137.40, 1,943,622.90 and 497,153.40

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Solution

The fourth proportional to 1,296,137.40, 1,943,622.90 and 497,153.40 is: 745,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,137.40 : 1,943,622.90 = 497,153.40 : x
  2. Step 2: Convert to fraction form
    1,296,137.40/1,943,622.90 = 497,153.40/x
  3. Step 3: Cross multiply
    1,296,137.40x = 1,943,622.90 × 497,153.40
  4. Step 4: Simplify right side
    1,296,137.40x = 966,278,733,052.86
  5. Step 5: Solve for x
    x = 966,278,733,052.86/1,296,137.40
  6. Step 6: Final answer
    x = 745,506.40

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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.