Home / 1,975,457.72-2,963,164.98-479,549.72

Finding the Fourth Proportional to 1,975,457.72, 2,963,164.98 and 479,549.72

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Solution

The fourth proportional to 1,975,457.72, 2,963,164.98 and 479,549.72 is: 719,319.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,457.72 : 2,963,164.98 = 479,549.72 : x
  2. Step 2: Convert to fraction form
    1,975,457.72/2,963,164.98 = 479,549.72/x
  3. Step 3: Cross multiply
    1,975,457.72x = 2,963,164.98 × 479,549.72
  4. Step 4: Simplify right side
    1,975,457.72x = 1,420,984,936,472.81
  5. Step 5: Solve for x
    x = 1,420,984,936,472.81/1,975,457.72
  6. Step 6: Final answer
    x = 719,319.34

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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.