Home / 1,376,976.60-2,065,466.52-430,352.28

Finding the Fourth Proportional to 1,376,976.60, 2,065,466.52 and 430,352.28

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Solution

The fourth proportional to 1,376,976.60, 2,065,466.52 and 430,352.28 is: 645,528.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,976.60 : 2,065,466.52 = 430,352.28 : x
  2. Step 2: Convert to fraction form
    1,376,976.60/2,065,466.52 = 430,352.28/x
  3. Step 3: Cross multiply
    1,376,976.60x = 2,065,466.52 × 430,352.28
  4. Step 4: Simplify right side
    1,376,976.60x = 888,878,226,145.67
  5. Step 5: Solve for x
    x = 888,878,226,145.67/1,376,976.60
  6. Step 6: Final answer
    x = 645,528.93

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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.