Home / 1,293,312.94-1,784,772.34-749,763.81

Finding the Fourth Proportional to 1,293,312.94, 1,784,772.34 and 749,763.81

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Solution

The fourth proportional to 1,293,312.94, 1,784,772.34 and 749,763.81 is: 1,034,674.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,312.94 : 1,784,772.34 = 749,763.81 : x
  2. Step 2: Convert to fraction form
    1,293,312.94/1,784,772.34 = 749,763.81/x
  3. Step 3: Cross multiply
    1,293,312.94x = 1,784,772.34 × 749,763.81
  4. Step 4: Simplify right side
    1,293,312.94x = 1,338,157,709,621.02
  5. Step 5: Solve for x
    x = 1,338,157,709,621.02/1,293,312.94
  6. Step 6: Final answer
    x = 1,034,674.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.