Home / 1,490,291.40-2,235,728.70-637,361.40

Finding the Fourth Proportional to 1,490,291.40, 2,235,728.70 and 637,361.40

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Solution

The fourth proportional to 1,490,291.40, 2,235,728.70 and 637,361.40 is: 956,166.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,291.40 : 2,235,728.70 = 637,361.40 : x
  2. Step 2: Convert to fraction form
    1,490,291.40/2,235,728.70 = 637,361.40/x
  3. Step 3: Cross multiply
    1,490,291.40x = 2,235,728.70 × 637,361.40
  4. Step 4: Simplify right side
    1,490,291.40x = 1,424,967,174,252.18
  5. Step 5: Solve for x
    x = 1,424,967,174,252.18/1,490,291.40
  6. Step 6: Final answer
    x = 956,166.81

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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.