Home / 1,688,302.80-2,532,585.36-490,244.88

Finding the Fourth Proportional to 1,688,302.80, 2,532,585.36 and 490,244.88

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Solution

The fourth proportional to 1,688,302.80, 2,532,585.36 and 490,244.88 is: 735,405.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,302.80 : 2,532,585.36 = 490,244.88 : x
  2. Step 2: Convert to fraction form
    1,688,302.80/2,532,585.36 = 490,244.88/x
  3. Step 3: Cross multiply
    1,688,302.80x = 2,532,585.36 × 490,244.88
  4. Step 4: Simplify right side
    1,688,302.80x = 1,241,587,005,902.96
  5. Step 5: Solve for x
    x = 1,241,587,005,902.96/1,688,302.80
  6. Step 6: Final answer
    x = 735,405.41

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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.