Home / 1,130,666.45-1,560,452.45-671,784.74

Finding the Fourth Proportional to 1,130,666.45, 1,560,452.45 and 671,784.74

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Solution

The fourth proportional to 1,130,666.45, 1,560,452.45 and 671,784.74 is: 927,141.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,666.45 : 1,560,452.45 = 671,784.74 : x
  2. Step 2: Convert to fraction form
    1,130,666.45/1,560,452.45 = 671,784.74/x
  3. Step 3: Cross multiply
    1,130,666.45x = 1,560,452.45 × 671,784.74
  4. Step 4: Simplify right side
    1,130,666.45x = 1,048,288,138,096.12
  5. Step 5: Solve for x
    x = 1,048,288,138,096.12/1,130,666.45
  6. Step 6: Final answer
    x = 927,141.81

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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.