Home / 1,296,019.40-1,943,445.90-497,035.40

Finding the Fourth Proportional to 1,296,019.40, 1,943,445.90 and 497,035.40

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Solution

The fourth proportional to 1,296,019.40, 1,943,445.90 and 497,035.40 is: 745,329.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,019.40 : 1,943,445.90 = 497,035.40 : x
  2. Step 2: Convert to fraction form
    1,296,019.40/1,943,445.90 = 497,035.40/x
  3. Step 3: Cross multiply
    1,296,019.40x = 1,943,445.90 × 497,035.40
  4. Step 4: Simplify right side
    1,296,019.40x = 965,961,410,284.86
  5. Step 5: Solve for x
    x = 965,961,410,284.86/1,296,019.40
  6. Step 6: Final answer
    x = 745,329.44

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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.