Home / 1,434,011.01-2,151,075.87-423,132.96

Finding the Fourth Proportional to 1,434,011.01, 2,151,075.87 and 423,132.96

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Solution

The fourth proportional to 1,434,011.01, 2,151,075.87 and 423,132.96 is: 634,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,011.01 : 2,151,075.87 = 423,132.96 : x
  2. Step 2: Convert to fraction form
    1,434,011.01/2,151,075.87 = 423,132.96/x
  3. Step 3: Cross multiply
    1,434,011.01x = 2,151,075.87 × 423,132.96
  4. Step 4: Simplify right side
    1,434,011.01x = 910,191,100,057.68
  5. Step 5: Solve for x
    x = 910,191,100,057.68/1,434,011.01
  6. Step 6: Final answer
    x = 634,716.95

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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.