Home / 1,249,209.84-1,873,814.52-681,068.70

Finding the Fourth Proportional to 1,249,209.84, 1,873,814.52 and 681,068.70

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Solution

The fourth proportional to 1,249,209.84, 1,873,814.52 and 681,068.70 is: 1,021,602.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,209.84 : 1,873,814.52 = 681,068.70 : x
  2. Step 2: Convert to fraction form
    1,249,209.84/1,873,814.52 = 681,068.70/x
  3. Step 3: Cross multiply
    1,249,209.84x = 1,873,814.52 × 681,068.70
  4. Step 4: Simplify right side
    1,249,209.84x = 1,276,196,419,177.52
  5. Step 5: Solve for x
    x = 1,276,196,419,177.52/1,249,209.84
  6. Step 6: Final answer
    x = 1,021,602.92

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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.