Home / 1,102,301.16-1,653,026.64-428,293.76

Finding the Fourth Proportional to 1,102,301.16, 1,653,026.64 and 428,293.76

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Solution

The fourth proportional to 1,102,301.16, 1,653,026.64 and 428,293.76 is: 642,275.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,301.16 : 1,653,026.64 = 428,293.76 : x
  2. Step 2: Convert to fraction form
    1,102,301.16/1,653,026.64 = 428,293.76/x
  3. Step 3: Cross multiply
    1,102,301.16x = 1,653,026.64 × 428,293.76
  4. Step 4: Simplify right side
    1,102,301.16x = 707,980,995,025.77
  5. Step 5: Solve for x
    x = 707,980,995,025.77/1,102,301.16
  6. Step 6: Final answer
    x = 642,275.47

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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.