Home / 1,533,431.40-2,116,149.34-845,127.83

Finding the Fourth Proportional to 1,533,431.40, 2,116,149.34 and 845,127.83

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Solution

The fourth proportional to 1,533,431.40, 2,116,149.34 and 845,127.83 is: 1,166,284.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,431.40 : 2,116,149.34 = 845,127.83 : x
  2. Step 2: Convert to fraction form
    1,533,431.40/2,116,149.34 = 845,127.83/x
  3. Step 3: Cross multiply
    1,533,431.40x = 2,116,149.34 × 845,127.83
  4. Step 4: Simplify right side
    1,533,431.40x = 1,788,416,689,089.39
  5. Step 5: Solve for x
    x = 1,788,416,689,089.39/1,533,431.40
  6. Step 6: Final answer
    x = 1,166,284.12

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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.