Home / 1,437,688.66-2,156,532.99-440,287.06

Finding the Fourth Proportional to 1,437,688.66, 2,156,532.99 and 440,287.06

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Solution

The fourth proportional to 1,437,688.66, 2,156,532.99 and 440,287.06 is: 660,430.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,688.66 : 2,156,532.99 = 440,287.06 : x
  2. Step 2: Convert to fraction form
    1,437,688.66/2,156,532.99 = 440,287.06/x
  3. Step 3: Cross multiply
    1,437,688.66x = 2,156,532.99 × 440,287.06
  4. Step 4: Simplify right side
    1,437,688.66x = 949,493,569,960.11
  5. Step 5: Solve for x
    x = 949,493,569,960.11/1,437,688.66
  6. Step 6: Final answer
    x = 660,430.59

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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.