Home / 1,329,429.84-1,993,726.45-430,663.04

Finding the Fourth Proportional to 1,329,429.84, 1,993,726.45 and 430,663.04

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Solution

The fourth proportional to 1,329,429.84, 1,993,726.45 and 430,663.04 is: 645,859.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,429.84 : 1,993,726.45 = 430,663.04 : x
  2. Step 2: Convert to fraction form
    1,329,429.84/1,993,726.45 = 430,663.04/x
  3. Step 3: Cross multiply
    1,329,429.84x = 1,993,726.45 × 430,663.04
  4. Step 4: Simplify right side
    1,329,429.84x = 858,624,293,885.41
  5. Step 5: Solve for x
    x = 858,624,293,885.41/1,329,429.84
  6. Step 6: Final answer
    x = 645,859.05

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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.