Home / 1,756,384.56-2,634,583.20-426,688.56

Finding the Fourth Proportional to 1,756,384.56, 2,634,583.20 and 426,688.56

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Solution

The fourth proportional to 1,756,384.56, 2,634,583.20 and 426,688.56 is: 640,034.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756,384.56 : 2,634,583.20 = 426,688.56 : x
  2. Step 2: Convert to fraction form
    1,756,384.56/2,634,583.20 = 426,688.56/x
  3. Step 3: Cross multiply
    1,756,384.56x = 2,634,583.20 × 426,688.56
  4. Step 4: Simplify right side
    1,756,384.56x = 1,124,146,511,808.19
  5. Step 5: Solve for x
    x = 1,124,146,511,808.19/1,756,384.56
  6. Step 6: Final answer
    x = 640,034.39

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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.