Home / 1,130,478.20-1,559,437.04-716,257.16

Finding the Fourth Proportional to 1,130,478.20, 1,559,437.04 and 716,257.16

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Solution

The fourth proportional to 1,130,478.20, 1,559,437.04 and 716,257.16 is: 988,040.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,478.20 : 1,559,437.04 = 716,257.16 : x
  2. Step 2: Convert to fraction form
    1,130,478.20/1,559,437.04 = 716,257.16/x
  3. Step 3: Cross multiply
    1,130,478.20x = 1,559,437.04 × 716,257.16
  4. Step 4: Simplify right side
    1,130,478.20x = 1,116,957,945,469.21
  5. Step 5: Solve for x
    x = 1,116,957,945,469.21/1,130,478.20
  6. Step 6: Final answer
    x = 988,040.23

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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.