Home / 1,429,206.50-1,972,479.93-825,594.50

Finding the Fourth Proportional to 1,429,206.50, 1,972,479.93 and 825,594.50

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Solution

The fourth proportional to 1,429,206.50, 1,972,479.93 and 825,594.50 is: 1,139,421.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,206.50 : 1,972,479.93 = 825,594.50 : x
  2. Step 2: Convert to fraction form
    1,429,206.50/1,972,479.93 = 825,594.50/x
  3. Step 3: Cross multiply
    1,429,206.50x = 1,972,479.93 × 825,594.50
  4. Step 4: Simplify right side
    1,429,206.50x = 1,628,468,581,568.39
  5. Step 5: Solve for x
    x = 1,628,468,581,568.39/1,429,206.50
  6. Step 6: Final answer
    x = 1,139,421.48

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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.