Home / 931,245.40-1,398,941.70-893,459.80

Finding the Fourth Proportional to 931,245.40, 1,398,941.70 and 893,459.80

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Solution

The fourth proportional to 931,245.40, 1,398,941.70 and 893,459.80 is: 1,342,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,245.40 : 1,398,941.70 = 893,459.80 : x
  2. Step 2: Convert to fraction form
    931,245.40/1,398,941.70 = 893,459.80/x
  3. Step 3: Cross multiply
    931,245.40x = 1,398,941.70 × 893,459.80
  4. Step 4: Simplify right side
    931,245.40x = 1,249,898,171,493.66
  5. Step 5: Solve for x
    x = 1,249,898,171,493.66/931,245.40
  6. Step 6: Final answer
    x = 1,342,179.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.