Home / 1,576,638.72-2,364,971.04-678,018.24

Finding the Fourth Proportional to 1,576,638.72, 2,364,971.04 and 678,018.24

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Solution

The fourth proportional to 1,576,638.72, 2,364,971.04 and 678,018.24 is: 1,017,032.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,638.72 : 2,364,971.04 = 678,018.24 : x
  2. Step 2: Convert to fraction form
    1,576,638.72/2,364,971.04 = 678,018.24/x
  3. Step 3: Cross multiply
    1,576,638.72x = 2,364,971.04 × 678,018.24
  4. Step 4: Simplify right side
    1,576,638.72x = 1,603,493,502,191.77
  5. Step 5: Solve for x
    x = 1,603,493,502,191.77/1,576,638.72
  6. Step 6: Final answer
    x = 1,017,032.93

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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.