Home / 1,430,509.72-2,144,430.90-483,218.20

Finding the Fourth Proportional to 1,430,509.72, 2,144,430.90 and 483,218.20

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Solution

The fourth proportional to 1,430,509.72, 2,144,430.90 and 483,218.20 is: 724,376.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,509.72 : 2,144,430.90 = 483,218.20 : x
  2. Step 2: Convert to fraction form
    1,430,509.72/2,144,430.90 = 483,218.20/x
  3. Step 3: Cross multiply
    1,430,509.72x = 2,144,430.90 × 483,218.20
  4. Step 4: Simplify right side
    1,430,509.72x = 1,036,228,039,522.38
  5. Step 5: Solve for x
    x = 1,036,228,039,522.38/1,430,509.72
  6. Step 6: Final answer
    x = 724,376.79

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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.