Home / 1,116,628.24-1,675,631.20-517,477.76

Finding the Fourth Proportional to 1,116,628.24, 1,675,631.20 and 517,477.76

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Solution

The fourth proportional to 1,116,628.24, 1,675,631.20 and 517,477.76 is: 776,535.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,628.24 : 1,675,631.20 = 517,477.76 : x
  2. Step 2: Convert to fraction form
    1,116,628.24/1,675,631.20 = 517,477.76/x
  3. Step 3: Cross multiply
    1,116,628.24x = 1,675,631.20 × 517,477.76
  4. Step 4: Simplify right side
    1,116,628.24x = 867,101,879,962.11
  5. Step 5: Solve for x
    x = 867,101,879,962.11/1,116,628.24
  6. Step 6: Final answer
    x = 776,535.87

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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.