Home / 1,223,072.84-1,688,639.88-794,574.20

Finding the Fourth Proportional to 1,223,072.84, 1,688,639.88 and 794,574.20

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Solution

The fourth proportional to 1,223,072.84, 1,688,639.88 and 794,574.20 is: 1,097,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,072.84 : 1,688,639.88 = 794,574.20 : x
  2. Step 2: Convert to fraction form
    1,223,072.84/1,688,639.88 = 794,574.20/x
  3. Step 3: Cross multiply
    1,223,072.84x = 1,688,639.88 × 794,574.20
  4. Step 4: Simplify right side
    1,223,072.84x = 1,341,749,681,739.10
  5. Step 5: Solve for x
    x = 1,341,749,681,739.10/1,223,072.84
  6. Step 6: Final answer
    x = 1,097,031.70

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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.