Home / 1,283,423.73-1,771,137.86-710,451.60

Finding the Fourth Proportional to 1,283,423.73, 1,771,137.86 and 710,451.60

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Solution

The fourth proportional to 1,283,423.73, 1,771,137.86 and 710,451.60 is: 980,430.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,423.73 : 1,771,137.86 = 710,451.60 : x
  2. Step 2: Convert to fraction form
    1,283,423.73/1,771,137.86 = 710,451.60/x
  3. Step 3: Cross multiply
    1,283,423.73x = 1,771,137.86 × 710,451.60
  4. Step 4: Simplify right side
    1,283,423.73x = 1,258,307,726,457.58
  5. Step 5: Solve for x
    x = 1,258,307,726,457.58/1,283,423.73
  6. Step 6: Final answer
    x = 980,430.47

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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.