Home / 1,463,438.40-2,019,858.72-890,663.04

Finding the Fourth Proportional to 1,463,438.40, 2,019,858.72 and 890,663.04

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Solution

The fourth proportional to 1,463,438.40, 2,019,858.72 and 890,663.04 is: 1,229,305.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,438.40 : 2,019,858.72 = 890,663.04 : x
  2. Step 2: Convert to fraction form
    1,463,438.40/2,019,858.72 = 890,663.04/x
  3. Step 3: Cross multiply
    1,463,438.40x = 2,019,858.72 × 890,663.04
  4. Step 4: Simplify right side
    1,463,438.40x = 1,799,013,507,925.71
  5. Step 5: Solve for x
    x = 1,799,013,507,925.71/1,463,438.40
  6. Step 6: Final answer
    x = 1,229,305.93

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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.