Home / 1,331,493.46-1,837,802.73-821,903.02

Finding the Fourth Proportional to 1,331,493.46, 1,837,802.73 and 821,903.02

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Solution

The fourth proportional to 1,331,493.46, 1,837,802.73 and 821,903.02 is: 1,134,437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,493.46 : 1,837,802.73 = 821,903.02 : x
  2. Step 2: Convert to fraction form
    1,331,493.46/1,837,802.73 = 821,903.02/x
  3. Step 3: Cross multiply
    1,331,493.46x = 1,837,802.73 × 821,903.02
  4. Step 4: Simplify right side
    1,331,493.46x = 1,510,495,613,951.24
  5. Step 5: Solve for x
    x = 1,510,495,613,951.24/1,331,493.46
  6. Step 6: Final answer
    x = 1,134,437.13

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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.