Home / 1,178,583.12-1,767,877.92-379,923.12

Finding the Fourth Proportional to 1,178,583.12, 1,767,877.92 and 379,923.12

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Solution

The fourth proportional to 1,178,583.12, 1,767,877.92 and 379,923.12 is: 569,885.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,583.12 : 1,767,877.92 = 379,923.12 : x
  2. Step 2: Convert to fraction form
    1,178,583.12/1,767,877.92 = 379,923.12/x
  3. Step 3: Cross multiply
    1,178,583.12x = 1,767,877.92 × 379,923.12
  4. Step 4: Simplify right side
    1,178,583.12x = 671,657,695,145.51
  5. Step 5: Solve for x
    x = 671,657,695,145.51/1,178,583.12
  6. Step 6: Final answer
    x = 569,885.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.