Home / 1,283,359.56-1,771,014.66-710,387.40

Finding the Fourth Proportional to 1,283,359.56, 1,771,014.66 and 710,387.40

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Solution

The fourth proportional to 1,283,359.56, 1,771,014.66 and 710,387.40 is: 980,322.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,359.56 : 1,771,014.66 = 710,387.40 : x
  2. Step 2: Convert to fraction form
    1,283,359.56/1,771,014.66 = 710,387.40/x
  3. Step 3: Cross multiply
    1,283,359.56x = 1,771,014.66 × 710,387.40
  4. Step 4: Simplify right side
    1,283,359.56x = 1,258,106,499,679.28
  5. Step 5: Solve for x
    x = 1,258,106,499,679.28/1,283,359.56
  6. Step 6: Final answer
    x = 980,322.69

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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.