Home / 1,018,072.32-1,527,283.20-344,158.72

Finding the Fourth Proportional to 1,018,072.32, 1,527,283.20 and 344,158.72

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Solution

The fourth proportional to 1,018,072.32, 1,527,283.20 and 344,158.72 is: 516,297.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,072.32 : 1,527,283.20 = 344,158.72 : x
  2. Step 2: Convert to fraction form
    1,018,072.32/1,527,283.20 = 344,158.72/x
  3. Step 3: Cross multiply
    1,018,072.32x = 1,527,283.20 × 344,158.72
  4. Step 4: Simplify right side
    1,018,072.32x = 525,627,831,189.50
  5. Step 5: Solve for x
    x = 525,627,831,189.50/1,018,072.32
  6. Step 6: Final answer
    x = 516,297.14

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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.