Home / 1,437,200.10-2,155,800.15-678,792.24

Finding the Fourth Proportional to 1,437,200.10, 2,155,800.15 and 678,792.24

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Solution

The fourth proportional to 1,437,200.10, 2,155,800.15 and 678,792.24 is: 1,018,188.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,200.10 : 2,155,800.15 = 678,792.24 : x
  2. Step 2: Convert to fraction form
    1,437,200.10/2,155,800.15 = 678,792.24/x
  3. Step 3: Cross multiply
    1,437,200.10x = 2,155,800.15 × 678,792.24
  4. Step 4: Simplify right side
    1,437,200.10x = 1,463,340,412,810.84
  5. Step 5: Solve for x
    x = 1,463,340,412,810.84/1,437,200.10
  6. Step 6: Final answer
    x = 1,018,188.36

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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.