Home / 1,007,302.20-1,390,074.44-554,593.20

Finding the Fourth Proportional to 1,007,302.20, 1,390,074.44 and 554,593.20

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Solution

The fourth proportional to 1,007,302.20, 1,390,074.44 and 554,593.20 is: 765,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,302.20 : 1,390,074.44 = 554,593.20 : x
  2. Step 2: Convert to fraction form
    1,007,302.20/1,390,074.44 = 554,593.20/x
  3. Step 3: Cross multiply
    1,007,302.20x = 1,390,074.44 × 554,593.20
  4. Step 4: Simplify right side
    1,007,302.20x = 770,925,831,917.81
  5. Step 5: Solve for x
    x = 770,925,831,917.81/1,007,302.20
  6. Step 6: Final answer
    x = 765,337.19

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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.