Home / 1,117,688.12-1,676,532.72-369,734.12

Finding the Fourth Proportional to 1,117,688.12, 1,676,532.72 and 369,734.12

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Solution

The fourth proportional to 1,117,688.12, 1,676,532.72 and 369,734.12 is: 554,601.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,688.12 : 1,676,532.72 = 369,734.12 : x
  2. Step 2: Convert to fraction form
    1,117,688.12/1,676,532.72 = 369,734.12/x
  3. Step 3: Cross multiply
    1,117,688.12x = 1,676,532.72 × 369,734.12
  4. Step 4: Simplify right side
    1,117,688.12x = 619,871,349,880.41
  5. Step 5: Solve for x
    x = 619,871,349,880.41/1,117,688.12
  6. Step 6: Final answer
    x = 554,601.36

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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.