Home / 1,130,253.12-1,559,771.36-620,974.72

Finding the Fourth Proportional to 1,130,253.12, 1,559,771.36 and 620,974.72

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Solution

The fourth proportional to 1,130,253.12, 1,559,771.36 and 620,974.72 is: 856,957.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,253.12 : 1,559,771.36 = 620,974.72 : x
  2. Step 2: Convert to fraction form
    1,130,253.12/1,559,771.36 = 620,974.72/x
  3. Step 3: Cross multiply
    1,130,253.12x = 1,559,771.36 × 620,974.72
  4. Step 4: Simplify right side
    1,130,253.12x = 968,578,583,540.02
  5. Step 5: Solve for x
    x = 968,578,583,540.02/1,130,253.12
  6. Step 6: Final answer
    x = 856,957.23

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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.