Home / 1,490,220.90-2,235,331.35-1,336,256.10

Finding the Fourth Proportional to 1,490,220.90, 2,235,331.35 and 1,336,256.10

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Solution

The fourth proportional to 1,490,220.90, 2,235,331.35 and 1,336,256.10 is: 2,004,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,220.90 : 2,235,331.35 = 1,336,256.10 : x
  2. Step 2: Convert to fraction form
    1,490,220.90/2,235,331.35 = 1,336,256.10/x
  3. Step 3: Cross multiply
    1,490,220.90x = 2,235,331.35 × 1,336,256.10
  4. Step 4: Simplify right side
    1,490,220.90x = 2,986,975,151,958.74
  5. Step 5: Solve for x
    x = 2,986,975,151,958.74/1,490,220.90
  6. Step 6: Final answer
    x = 2,004,384.15

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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.