Home / 1,153,389.88-1,591,723.08-637,170.40

Finding the Fourth Proportional to 1,153,389.88, 1,591,723.08 and 637,170.40

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Solution

The fourth proportional to 1,153,389.88, 1,591,723.08 and 637,170.40 is: 879,320.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,389.88 : 1,591,723.08 = 637,170.40 : x
  2. Step 2: Convert to fraction form
    1,153,389.88/1,591,723.08 = 637,170.40/x
  3. Step 3: Cross multiply
    1,153,389.88x = 1,591,723.08 × 637,170.40
  4. Step 4: Simplify right side
    1,153,389.88x = 1,014,198,831,572.83
  5. Step 5: Solve for x
    x = 1,014,198,831,572.83/1,153,389.88
  6. Step 6: Final answer
    x = 879,320.04

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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.