Home / 1,283,427.79-1,771,143.47-710,455.66

Finding the Fourth Proportional to 1,283,427.79, 1,771,143.47 and 710,455.66

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Solution

The fourth proportional to 1,283,427.79, 1,771,143.47 and 710,455.66 is: 980,436.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,427.79 : 1,771,143.47 = 710,455.66 : x
  2. Step 2: Convert to fraction form
    1,283,427.79/1,771,143.47 = 710,455.66/x
  3. Step 3: Cross multiply
    1,283,427.79x = 1,771,143.47 × 710,455.66
  4. Step 4: Simplify right side
    1,283,427.79x = 1,258,318,897,617.61
  5. Step 5: Solve for x
    x = 1,258,318,897,617.61/1,283,427.79
  6. Step 6: Final answer
    x = 980,436.07

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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.