Home / 1,057,125.79-1,458,111-674,980.21

Finding the Fourth Proportional to 1,057,125.79, 1,458,111 and 674,980.21

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Solution

The fourth proportional to 1,057,125.79, 1,458,111 and 674,980.21 is: 931,011.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,125.79 : 1,458,111 = 674,980.21 : x
  2. Step 2: Convert to fraction form
    1,057,125.79/1,458,111 = 674,980.21/x
  3. Step 3: Cross multiply
    1,057,125.79x = 1,458,111 × 674,980.21
  4. Step 4: Simplify right side
    1,057,125.79x = 984,196,068,983.31
  5. Step 5: Solve for x
    x = 984,196,068,983.31/1,057,125.79
  6. Step 6: Final answer
    x = 931,011.31

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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.