Home / 1,385,038.08-2,077,453.32-486,487.68

Finding the Fourth Proportional to 1,385,038.08, 2,077,453.32 and 486,487.68

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Solution

The fourth proportional to 1,385,038.08, 2,077,453.32 and 486,487.68 is: 729,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,038.08 : 2,077,453.32 = 486,487.68 : x
  2. Step 2: Convert to fraction form
    1,385,038.08/2,077,453.32 = 486,487.68/x
  3. Step 3: Cross multiply
    1,385,038.08x = 2,077,453.32 × 486,487.68
  4. Step 4: Simplify right side
    1,385,038.08x = 1,010,655,445,955.10
  5. Step 5: Solve for x
    x = 1,010,655,445,955.10/1,385,038.08
  6. Step 6: Final answer
    x = 729,695.06

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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.