Home / 1,154,420.20-1,731,630.30-480,277.45

Finding the Fourth Proportional to 1,154,420.20, 1,731,630.30 and 480,277.45

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Solution

The fourth proportional to 1,154,420.20, 1,731,630.30 and 480,277.45 is: 720,416.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,420.20 : 1,731,630.30 = 480,277.45 : x
  2. Step 2: Convert to fraction form
    1,154,420.20/1,731,630.30 = 480,277.45/x
  3. Step 3: Cross multiply
    1,154,420.20x = 1,731,630.30 × 480,277.45
  4. Step 4: Simplify right side
    1,154,420.20x = 831,662,984,826.74
  5. Step 5: Solve for x
    x = 831,662,984,826.74/1,154,420.20
  6. Step 6: Final answer
    x = 720,416.18

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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.