Home / 1,012,828.80-1,397,651.92-553,854.16

Finding the Fourth Proportional to 1,012,828.80, 1,397,651.92 and 553,854.16

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Solution

The fourth proportional to 1,012,828.80, 1,397,651.92 and 553,854.16 is: 764,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,828.80 : 1,397,651.92 = 553,854.16 : x
  2. Step 2: Convert to fraction form
    1,012,828.80/1,397,651.92 = 553,854.16/x
  3. Step 3: Cross multiply
    1,012,828.80x = 1,397,651.92 × 553,854.16
  4. Step 4: Simplify right side
    1,012,828.80x = 774,095,330,123.99
  5. Step 5: Solve for x
    x = 774,095,330,123.99/1,012,828.80
  6. Step 6: Final answer
    x = 764,290.40

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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.