Home / 876,140.43-1,209,621.14-671,798.79

Finding the Fourth Proportional to 876,140.43, 1,209,621.14 and 671,798.79

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Solution

The fourth proportional to 876,140.43, 1,209,621.14 and 671,798.79 is: 927,502.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,140.43 : 1,209,621.14 = 671,798.79 : x
  2. Step 2: Convert to fraction form
    876,140.43/1,209,621.14 = 671,798.79/x
  3. Step 3: Cross multiply
    876,140.43x = 1,209,621.14 × 671,798.79
  4. Step 4: Simplify right side
    876,140.43x = 812,622,014,851.43
  5. Step 5: Solve for x
    x = 812,622,014,851.43/876,140.43
  6. Step 6: Final answer
    x = 927,502.02

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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.