Home / 1,404,690.50-1,938,478.03-760,110.70

Finding the Fourth Proportional to 1,404,690.50, 1,938,478.03 and 760,110.70

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Solution

The fourth proportional to 1,404,690.50, 1,938,478.03 and 760,110.70 is: 1,048,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,690.50 : 1,938,478.03 = 760,110.70 : x
  2. Step 2: Convert to fraction form
    1,404,690.50/1,938,478.03 = 760,110.70/x
  3. Step 3: Cross multiply
    1,404,690.50x = 1,938,478.03 × 760,110.70
  4. Step 4: Simplify right side
    1,404,690.50x = 1,473,457,892,317.92
  5. Step 5: Solve for x
    x = 1,473,457,892,317.92/1,404,690.50
  6. Step 6: Final answer
    x = 1,048,955.55

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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.