Home / 1,320,087.96-1,821,706.74-739,316.34

Finding the Fourth Proportional to 1,320,087.96, 1,821,706.74 and 739,316.34

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Solution

The fourth proportional to 1,320,087.96, 1,821,706.74 and 739,316.34 is: 1,020,248.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,087.96 : 1,821,706.74 = 739,316.34 : x
  2. Step 2: Convert to fraction form
    1,320,087.96/1,821,706.74 = 739,316.34/x
  3. Step 3: Cross multiply
    1,320,087.96x = 1,821,706.74 × 739,316.34
  4. Step 4: Simplify right side
    1,320,087.96x = 1,346,817,559,570.13
  5. Step 5: Solve for x
    x = 1,346,817,559,570.13/1,320,087.96
  6. Step 6: Final answer
    x = 1,020,248.35

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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.