Home / 1,048,495.71-1,447,411.22-790,477.09

Finding the Fourth Proportional to 1,048,495.71, 1,447,411.22 and 790,477.09

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Solution

The fourth proportional to 1,048,495.71, 1,447,411.22 and 790,477.09 is: 1,091,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,495.71 : 1,447,411.22 = 790,477.09 : x
  2. Step 2: Convert to fraction form
    1,048,495.71/1,447,411.22 = 790,477.09/x
  3. Step 3: Cross multiply
    1,048,495.71x = 1,447,411.22 × 790,477.09
  4. Step 4: Simplify right side
    1,048,495.71x = 1,144,145,405,266.56
  5. Step 5: Solve for x
    x = 1,144,145,405,266.56/1,048,495.71
  6. Step 6: Final answer
    x = 1,091,225.65

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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.