Home / 1,787,145.08-2,466,285.15-971,348.51

Finding the Fourth Proportional to 1,787,145.08, 2,466,285.15 and 971,348.51

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Solution

The fourth proportional to 1,787,145.08, 2,466,285.15 and 971,348.51 is: 1,340,474.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,145.08 : 2,466,285.15 = 971,348.51 : x
  2. Step 2: Convert to fraction form
    1,787,145.08/2,466,285.15 = 971,348.51/x
  3. Step 3: Cross multiply
    1,787,145.08x = 2,466,285.15 × 971,348.51
  4. Step 4: Simplify right side
    1,787,145.08x = 2,395,622,393,356.20
  5. Step 5: Solve for x
    x = 2,395,622,393,356.20/1,787,145.08
  6. Step 6: Final answer
    x = 1,340,474.50

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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.