Home / 1,140,872.96-1,574,570.76-657,344.72

Finding the Fourth Proportional to 1,140,872.96, 1,574,570.76 and 657,344.72

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Solution

The fourth proportional to 1,140,872.96, 1,574,570.76 and 657,344.72 is: 907,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,872.96 : 1,574,570.76 = 657,344.72 : x
  2. Step 2: Convert to fraction form
    1,140,872.96/1,574,570.76 = 657,344.72/x
  3. Step 3: Cross multiply
    1,140,872.96x = 1,574,570.76 × 657,344.72
  4. Step 4: Simplify right side
    1,140,872.96x = 1,035,035,775,352.39
  5. Step 5: Solve for x
    x = 1,035,035,775,352.39/1,140,872.96
  6. Step 6: Final answer
    x = 907,231.40

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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.