Home / 1,341,485.87-2,012,291.10-430,705.50

Finding the Fourth Proportional to 1,341,485.87, 2,012,291.10 and 430,705.50

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Solution

The fourth proportional to 1,341,485.87, 2,012,291.10 and 430,705.50 is: 646,078.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,485.87 : 2,012,291.10 = 430,705.50 : x
  2. Step 2: Convert to fraction form
    1,341,485.87/2,012,291.10 = 430,705.50/x
  3. Step 3: Cross multiply
    1,341,485.87x = 2,012,291.10 × 430,705.50
  4. Step 4: Simplify right side
    1,341,485.87x = 866,704,844,371.05
  5. Step 5: Solve for x
    x = 866,704,844,371.05/1,341,485.87
  6. Step 6: Final answer
    x = 646,078.25

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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.