Home / 1,087,960.50-1,502,291.90-907,617.76

Finding the Fourth Proportional to 1,087,960.50, 1,502,291.90 and 907,617.76

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Solution

The fourth proportional to 1,087,960.50, 1,502,291.90 and 907,617.76 is: 1,253,268.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,960.50 : 1,502,291.90 = 907,617.76 : x
  2. Step 2: Convert to fraction form
    1,087,960.50/1,502,291.90 = 907,617.76/x
  3. Step 3: Cross multiply
    1,087,960.50x = 1,502,291.90 × 907,617.76
  4. Step 4: Simplify right side
    1,087,960.50x = 1,363,506,809,144.14
  5. Step 5: Solve for x
    x = 1,363,506,809,144.14/1,087,960.50
  6. Step 6: Final answer
    x = 1,253,268.67

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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.