Home / 1,245,427.79-1,866,689.96-571,580.28

Finding the Fourth Proportional to 1,245,427.79, 1,866,689.96 and 571,580.28

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Solution

The fourth proportional to 1,245,427.79, 1,866,689.96 and 571,580.28 is: 856,704.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,427.79 : 1,866,689.96 = 571,580.28 : x
  2. Step 2: Convert to fraction form
    1,245,427.79/1,866,689.96 = 571,580.28/x
  3. Step 3: Cross multiply
    1,245,427.79x = 1,866,689.96 × 571,580.28
  4. Step 4: Simplify right side
    1,245,427.79x = 1,066,963,167,152.09
  5. Step 5: Solve for x
    x = 1,066,963,167,152.09/1,245,427.79
  6. Step 6: Final answer
    x = 856,704.16

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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.