Home / 1,057,554.72-1,586,128.32-299,390.40

Finding the Fourth Proportional to 1,057,554.72, 1,586,128.32 and 299,390.40

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Solution

The fourth proportional to 1,057,554.72, 1,586,128.32 and 299,390.40 is: 449,027.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,554.72 : 1,586,128.32 = 299,390.40 : x
  2. Step 2: Convert to fraction form
    1,057,554.72/1,586,128.32 = 299,390.40/x
  3. Step 3: Cross multiply
    1,057,554.72x = 1,586,128.32 × 299,390.40
  4. Step 4: Simplify right side
    1,057,554.72x = 474,871,592,176.13
  5. Step 5: Solve for x
    x = 474,871,592,176.13/1,057,554.72
  6. Step 6: Final answer
    x = 449,027.92

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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.