Home / 1,436,692-2,155,048.80-637,758.76

Finding the Fourth Proportional to 1,436,692, 2,155,048.80 and 637,758.76

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Solution

The fourth proportional to 1,436,692, 2,155,048.80 and 637,758.76 is: 956,642.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,692 : 2,155,048.80 = 637,758.76 : x
  2. Step 2: Convert to fraction form
    1,436,692/2,155,048.80 = 637,758.76/x
  3. Step 3: Cross multiply
    1,436,692x = 2,155,048.80 × 637,758.76
  4. Step 4: Simplify right side
    1,436,692x = 1,374,401,250,427.49
  5. Step 5: Solve for x
    x = 1,374,401,250,427.49/1,436,692
  6. Step 6: Final answer
    x = 956,642.93

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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.