Home / 1,283,452.43-1,771,999.95-824,743.76

Finding the Fourth Proportional to 1,283,452.43, 1,771,999.95 and 824,743.76

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Solution

The fourth proportional to 1,283,452.43, 1,771,999.95 and 824,743.76 is: 1,138,683.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,452.43 : 1,771,999.95 = 824,743.76 : x
  2. Step 2: Convert to fraction form
    1,283,452.43/1,771,999.95 = 824,743.76/x
  3. Step 3: Cross multiply
    1,283,452.43x = 1,771,999.95 × 824,743.76
  4. Step 4: Simplify right side
    1,283,452.43x = 1,461,445,901,482.81
  5. Step 5: Solve for x
    x = 1,461,445,901,482.81/1,283,452.43
  6. Step 6: Final answer
    x = 1,138,683.34

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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.