Home / 1,500,923.88-2,071,260.45-812,578.14

Finding the Fourth Proportional to 1,500,923.88, 2,071,260.45 and 812,578.14

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Solution

The fourth proportional to 1,500,923.88, 2,071,260.45 and 812,578.14 is: 1,121,349.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,923.88 : 2,071,260.45 = 812,578.14 : x
  2. Step 2: Convert to fraction form
    1,500,923.88/2,071,260.45 = 812,578.14/x
  3. Step 3: Cross multiply
    1,500,923.88x = 2,071,260.45 × 812,578.14
  4. Step 4: Simplify right side
    1,500,923.88x = 1,683,060,963,916.56
  5. Step 5: Solve for x
    x = 1,683,060,963,916.56/1,500,923.88
  6. Step 6: Final answer
    x = 1,121,349.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.