Home / 1,689,277.12-2,530,390.08-1,013,214.40

Finding the Fourth Proportional to 1,689,277.12, 2,530,390.08 and 1,013,214.40

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Solution

The fourth proportional to 1,689,277.12, 2,530,390.08 and 1,013,214.40 is: 1,517,706.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,277.12 : 2,530,390.08 = 1,013,214.40 : x
  2. Step 2: Convert to fraction form
    1,689,277.12/2,530,390.08 = 1,013,214.40/x
  3. Step 3: Cross multiply
    1,689,277.12x = 2,530,390.08 × 1,013,214.40
  4. Step 4: Simplify right side
    1,689,277.12x = 2,563,827,666,673.15
  5. Step 5: Solve for x
    x = 2,563,827,666,673.15/1,689,277.12
  6. Step 6: Final answer
    x = 1,517,706.97

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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.