Home / 1,787,139.59-2,466,269.10-971,345.12

Finding the Fourth Proportional to 1,787,139.59, 2,466,269.10 and 971,345.12

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Solution

The fourth proportional to 1,787,139.59, 2,466,269.10 and 971,345.12 is: 1,340,465.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,139.59 : 2,466,269.10 = 971,345.12 : x
  2. Step 2: Convert to fraction form
    1,787,139.59/2,466,269.10 = 971,345.12/x
  3. Step 3: Cross multiply
    1,787,139.59x = 2,466,269.10 × 971,345.12
  4. Step 4: Simplify right side
    1,787,139.59x = 2,395,598,442,560.45
  5. Step 5: Solve for x
    x = 2,395,598,442,560.45/1,787,139.59
  6. Step 6: Final answer
    x = 1,340,465.21

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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.