Home / 1,559,427.76-2,151,781.20-871,014.76

Finding the Fourth Proportional to 1,559,427.76, 2,151,781.20 and 871,014.76

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Solution

The fourth proportional to 1,559,427.76, 2,151,781.20 and 871,014.76 is: 1,201,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,427.76 : 2,151,781.20 = 871,014.76 : x
  2. Step 2: Convert to fraction form
    1,559,427.76/2,151,781.20 = 871,014.76/x
  3. Step 3: Cross multiply
    1,559,427.76x = 2,151,781.20 × 871,014.76
  4. Step 4: Simplify right side
    1,559,427.76x = 1,874,233,185,490.51
  5. Step 5: Solve for x
    x = 1,874,233,185,490.51/1,559,427.76
  6. Step 6: Final answer
    x = 1,201,872.40

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1.5x scale

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.