Home / 1,331,913.80-1,837,686.66-758,941.76

Finding the Fourth Proportional to 1,331,913.80, 1,837,686.66 and 758,941.76

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Solution

The fourth proportional to 1,331,913.80, 1,837,686.66 and 758,941.76 is: 1,047,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,913.80 : 1,837,686.66 = 758,941.76 : x
  2. Step 2: Convert to fraction form
    1,331,913.80/1,837,686.66 = 758,941.76/x
  3. Step 3: Cross multiply
    1,331,913.80x = 1,837,686.66 × 758,941.76
  4. Step 4: Simplify right side
    1,331,913.80x = 1,394,697,148,068.92
  5. Step 5: Solve for x
    x = 1,394,697,148,068.92/1,331,913.80
  6. Step 6: Final answer
    x = 1,047,137.70

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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.