Home / 1,283,427.74-1,771,143.38-710,455.60

Finding the Fourth Proportional to 1,283,427.74, 1,771,143.38 and 710,455.60

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Solution

The fourth proportional to 1,283,427.74, 1,771,143.38 and 710,455.60 is: 980,435.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,427.74 : 1,771,143.38 = 710,455.60 : x
  2. Step 2: Convert to fraction form
    1,283,427.74/1,771,143.38 = 710,455.60/x
  3. Step 3: Cross multiply
    1,283,427.74x = 1,771,143.38 × 710,455.60
  4. Step 4: Simplify right side
    1,283,427.74x = 1,258,318,732,723.93
  5. Step 5: Solve for x
    x = 1,258,318,732,723.93/1,283,427.74
  6. Step 6: Final answer
    x = 980,435.98

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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.