Home / 1,130,938.31-1,695,996.69-618,981.86

Finding the Fourth Proportional to 1,130,938.31, 1,695,996.69 and 618,981.86

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Solution

The fourth proportional to 1,130,938.31, 1,695,996.69 and 618,981.86 is: 928,247.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,938.31 : 1,695,996.69 = 618,981.86 : x
  2. Step 2: Convert to fraction form
    1,130,938.31/1,695,996.69 = 618,981.86/x
  3. Step 3: Cross multiply
    1,130,938.31x = 1,695,996.69 × 618,981.86
  4. Step 4: Simplify right side
    1,130,938.31x = 1,049,791,174,928.88
  5. Step 5: Solve for x
    x = 1,049,791,174,928.88/1,130,938.31
  6. Step 6: Final answer
    x = 928,247.96

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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.