Home / 1,057,384.96-1,586,388.48-425,973.76

Finding the Fourth Proportional to 1,057,384.96, 1,586,388.48 and 425,973.76

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Solution

The fourth proportional to 1,057,384.96, 1,586,388.48 and 425,973.76 is: 639,085.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,384.96 : 1,586,388.48 = 425,973.76 : x
  2. Step 2: Convert to fraction form
    1,057,384.96/1,586,388.48 = 425,973.76/x
  3. Step 3: Cross multiply
    1,057,384.96x = 1,586,388.48 × 425,973.76
  4. Step 4: Simplify right side
    1,057,384.96x = 675,759,865,646.29
  5. Step 5: Solve for x
    x = 675,759,865,646.29/1,057,384.96
  6. Step 6: Final answer
    x = 639,085.94

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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.