Home / 1,006,405.89-1,509,572.50-437,787.38

Finding the Fourth Proportional to 1,006,405.89, 1,509,572.50 and 437,787.38

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Solution

The fourth proportional to 1,006,405.89, 1,509,572.50 and 437,787.38 is: 656,665.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,405.89 : 1,509,572.50 = 437,787.38 : x
  2. Step 2: Convert to fraction form
    1,006,405.89/1,509,572.50 = 437,787.38/x
  3. Step 3: Cross multiply
    1,006,405.89x = 1,509,572.50 × 437,787.38
  4. Step 4: Simplify right side
    1,006,405.89x = 660,871,792,374.51
  5. Step 5: Solve for x
    x = 660,871,792,374.51/1,006,405.89
  6. Step 6: Final answer
    x = 656,665.27

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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.