Home / 1,249,124.80-1,723,792.64-676,163.20

Finding the Fourth Proportional to 1,249,124.80, 1,723,792.64 and 676,163.20

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Solution

The fourth proportional to 1,249,124.80, 1,723,792.64 and 676,163.20 is: 933,105.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,124.80 : 1,723,792.64 = 676,163.20 : x
  2. Step 2: Convert to fraction form
    1,249,124.80/1,723,792.64 = 676,163.20/x
  3. Step 3: Cross multiply
    1,249,124.80x = 1,723,792.64 × 676,163.20
  4. Step 4: Simplify right side
    1,249,124.80x = 1,165,565,147,598.85
  5. Step 5: Solve for x
    x = 1,165,565,147,598.85/1,249,124.80
  6. Step 6: Final answer
    x = 933,105.44

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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.