Home / 1,081,428.27-1,622,124.58-323,271.51

Finding the Fourth Proportional to 1,081,428.27, 1,622,124.58 and 323,271.51

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Solution

The fourth proportional to 1,081,428.27, 1,622,124.58 and 323,271.51 is: 484,901.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,428.27 : 1,622,124.58 = 323,271.51 : x
  2. Step 2: Convert to fraction form
    1,081,428.27/1,622,124.58 = 323,271.51/x
  3. Step 3: Cross multiply
    1,081,428.27x = 1,622,124.58 × 323,271.51
  4. Step 4: Simplify right side
    1,081,428.27x = 524,386,652,657.74
  5. Step 5: Solve for x
    x = 524,386,652,657.74/1,081,428.27
  6. Step 6: Final answer
    x = 484,901.93

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1.5x scale

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.