Home / 1,012,875.63-1,397,711.83-553,899.63

Finding the Fourth Proportional to 1,012,875.63, 1,397,711.83 and 553,899.63

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Solution

The fourth proportional to 1,012,875.63, 1,397,711.83 and 553,899.63 is: 764,350.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,875.63 : 1,397,711.83 = 553,899.63 : x
  2. Step 2: Convert to fraction form
    1,012,875.63/1,397,711.83 = 553,899.63/x
  3. Step 3: Cross multiply
    1,012,875.63x = 1,397,711.83 × 553,899.63
  4. Step 4: Simplify right side
    1,012,875.63x = 774,192,065,483.62
  5. Step 5: Solve for x
    x = 774,192,065,483.62/1,012,875.63
  6. Step 6: Final answer
    x = 764,350.57

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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.