Home / 1,006,985.74-1,389,640.71-554,273.50

Finding the Fourth Proportional to 1,006,985.74, 1,389,640.71 and 554,273.50

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Solution

The fourth proportional to 1,006,985.74, 1,389,640.71 and 554,273.50 is: 764,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,985.74 : 1,389,640.71 = 554,273.50 : x
  2. Step 2: Convert to fraction form
    1,006,985.74/1,389,640.71 = 554,273.50/x
  3. Step 3: Cross multiply
    1,006,985.74x = 1,389,640.71 × 554,273.50
  4. Step 4: Simplify right side
    1,006,985.74x = 770,241,020,074.19
  5. Step 5: Solve for x
    x = 770,241,020,074.19/1,006,985.74
  6. Step 6: Final answer
    x = 764,897.64

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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.