Home / 1,018,726.10-1,528,073.44-260,560.86

Finding the Fourth Proportional to 1,018,726.10, 1,528,073.44 and 260,560.86

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Solution

The fourth proportional to 1,018,726.10, 1,528,073.44 and 260,560.86 is: 390,837.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,726.10 : 1,528,073.44 = 260,560.86 : x
  2. Step 2: Convert to fraction form
    1,018,726.10/1,528,073.44 = 260,560.86/x
  3. Step 3: Cross multiply
    1,018,726.10x = 1,528,073.44 × 260,560.86
  4. Step 4: Simplify right side
    1,018,726.10x = 398,156,129,669.56
  5. Step 5: Solve for x
    x = 398,156,129,669.56/1,018,726.10
  6. Step 6: Final answer
    x = 390,837.27

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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.