Home / 1,490,286.15-2,235,720.83-637,356.15

Finding the Fourth Proportional to 1,490,286.15, 2,235,720.83 and 637,356.15

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Solution

The fourth proportional to 1,490,286.15, 2,235,720.83 and 637,356.15 is: 956,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,286.15 : 2,235,720.83 = 637,356.15 : x
  2. Step 2: Convert to fraction form
    1,490,286.15/2,235,720.83 = 637,356.15/x
  3. Step 3: Cross multiply
    1,490,286.15x = 2,235,720.83 × 637,356.15
  4. Step 4: Simplify right side
    1,490,286.15x = 1,424,950,417,496.82
  5. Step 5: Solve for x
    x = 1,424,950,417,496.82/1,490,286.15
  6. Step 6: Final answer
    x = 956,158.93

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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.