Home / 1,245,457.60-1,867,927.20-346,667.20

Finding the Fourth Proportional to 1,245,457.60, 1,867,927.20 and 346,667.20

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Solution

The fourth proportional to 1,245,457.60, 1,867,927.20 and 346,667.20 is: 519,928.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,457.60 : 1,867,927.20 = 346,667.20 : x
  2. Step 2: Convert to fraction form
    1,245,457.60/1,867,927.20 = 346,667.20/x
  3. Step 3: Cross multiply
    1,245,457.60x = 1,867,927.20 × 346,667.20
  4. Step 4: Simplify right side
    1,245,457.60x = 647,549,092,227.84
  5. Step 5: Solve for x
    x = 647,549,092,227.84/1,245,457.60
  6. Step 6: Final answer
    x = 519,928.65

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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.