Home / 1,434,417.06-2,151,267.03-423,338.34

Finding the Fourth Proportional to 1,434,417.06, 2,151,267.03 and 423,338.34

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Solution

The fourth proportional to 1,434,417.06, 2,151,267.03 and 423,338.34 is: 634,901.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,417.06 : 2,151,267.03 = 423,338.34 : x
  2. Step 2: Convert to fraction form
    1,434,417.06/2,151,267.03 = 423,338.34/x
  3. Step 3: Cross multiply
    1,434,417.06x = 2,151,267.03 × 423,338.34
  4. Step 4: Simplify right side
    1,434,417.06x = 910,713,813,376.93
  5. Step 5: Solve for x
    x = 910,713,813,376.93/1,434,417.06
  6. Step 6: Final answer
    x = 634,901.69

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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.