Home / 1,007,783.94-1,390,741.80-555,074.94

Finding the Fourth Proportional to 1,007,783.94, 1,390,741.80 and 555,074.94

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Solution

The fourth proportional to 1,007,783.94, 1,390,741.80 and 555,074.94 is: 766,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,783.94 : 1,390,741.80 = 555,074.94 : x
  2. Step 2: Convert to fraction form
    1,007,783.94/1,390,741.80 = 555,074.94/x
  3. Step 3: Cross multiply
    1,007,783.94x = 1,390,741.80 × 555,074.94
  4. Step 4: Simplify right side
    1,007,783.94x = 771,965,921,190.49
  5. Step 5: Solve for x
    x = 771,965,921,190.49/1,007,783.94
  6. Step 6: Final answer
    x = 766,003.40

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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.