Home / 1,356,038.29-2,034,143.84-457,570.45

Finding the Fourth Proportional to 1,356,038.29, 2,034,143.84 and 457,570.45

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Solution

The fourth proportional to 1,356,038.29, 2,034,143.84 and 457,570.45 is: 686,384.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,038.29 : 2,034,143.84 = 457,570.45 : x
  2. Step 2: Convert to fraction form
    1,356,038.29/2,034,143.84 = 457,570.45/x
  3. Step 3: Cross multiply
    1,356,038.29x = 2,034,143.84 × 457,570.45
  4. Step 4: Simplify right side
    1,356,038.29x = 930,764,112,233.53
  5. Step 5: Solve for x
    x = 930,764,112,233.53/1,356,038.29
  6. Step 6: Final answer
    x = 686,384.83

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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.