Home / 1,057,292.92-1,459,096.80-621,631.25

Finding the Fourth Proportional to 1,057,292.92, 1,459,096.80 and 621,631.25

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Solution

The fourth proportional to 1,057,292.92, 1,459,096.80 and 621,631.25 is: 857,870.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,292.92 : 1,459,096.80 = 621,631.25 : x
  2. Step 2: Convert to fraction form
    1,057,292.92/1,459,096.80 = 621,631.25/x
  3. Step 3: Cross multiply
    1,057,292.92x = 1,459,096.80 × 621,631.25
  4. Step 4: Simplify right side
    1,057,292.92x = 907,020,167,655
  5. Step 5: Solve for x
    x = 907,020,167,655/1,057,292.92
  6. Step 6: Final answer
    x = 857,870.27

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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.