Home / 1,283,450.89-1,771,176.23-710,500.63

Finding the Fourth Proportional to 1,283,450.89, 1,771,176.23 and 710,500.63

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Solution

The fourth proportional to 1,283,450.89, 1,771,176.23 and 710,500.63 is: 980,498.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,450.89 : 1,771,176.23 = 710,500.63 : x
  2. Step 2: Convert to fraction form
    1,283,450.89/1,771,176.23 = 710,500.63/x
  3. Step 3: Cross multiply
    1,283,450.89x = 1,771,176.23 × 710,500.63
  4. Step 4: Simplify right side
    1,283,450.89x = 1,258,421,827,256.02
  5. Step 5: Solve for x
    x = 1,258,421,827,256.02/1,283,450.89
  6. Step 6: Final answer
    x = 980,498.62

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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.