Home / 907,555.40-1,361,333.10-783,139.40

Finding the Fourth Proportional to 907,555.40, 1,361,333.10 and 783,139.40

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Solution

The fourth proportional to 907,555.40, 1,361,333.10 and 783,139.40 is: 1,174,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,555.40 : 1,361,333.10 = 783,139.40 : x
  2. Step 2: Convert to fraction form
    907,555.40/1,361,333.10 = 783,139.40/x
  3. Step 3: Cross multiply
    907,555.40x = 1,361,333.10 × 783,139.40
  4. Step 4: Simplify right side
    907,555.40x = 1,066,113,587,134.14
  5. Step 5: Solve for x
    x = 1,066,113,587,134.14/907,555.40
  6. Step 6: Final answer
    x = 1,174,709.10

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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.