Home / 1,006,564.50-1,389,068.74-553,865.22

Finding the Fourth Proportional to 1,006,564.50, 1,389,068.74 and 553,865.22

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Solution

The fourth proportional to 1,006,564.50, 1,389,068.74 and 553,865.22 is: 764,339.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,564.50 : 1,389,068.74 = 553,865.22 : x
  2. Step 2: Convert to fraction form
    1,006,564.50/1,389,068.74 = 553,865.22/x
  3. Step 3: Cross multiply
    1,006,564.50x = 1,389,068.74 × 553,865.22
  4. Step 4: Simplify right side
    1,006,564.50x = 769,356,863,275.22
  5. Step 5: Solve for x
    x = 769,356,863,275.22/1,006,564.50
  6. Step 6: Final answer
    x = 764,339.36

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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.