Home / 1,433,246.40-2,149,869.60-802,078.20

Finding the Fourth Proportional to 1,433,246.40, 2,149,869.60 and 802,078.20

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Solution

The fourth proportional to 1,433,246.40, 2,149,869.60 and 802,078.20 is: 1,203,117.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,246.40 : 2,149,869.60 = 802,078.20 : x
  2. Step 2: Convert to fraction form
    1,433,246.40/2,149,869.60 = 802,078.20/x
  3. Step 3: Cross multiply
    1,433,246.40x = 2,149,869.60 × 802,078.20
  4. Step 4: Simplify right side
    1,433,246.40x = 1,724,363,539,002.72
  5. Step 5: Solve for x
    x = 1,724,363,539,002.72/1,433,246.40
  6. Step 6: Final answer
    x = 1,203,117.30

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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.