Home / 1,971,979.25-2,958,296.04-692,254.98

Finding the Fourth Proportional to 1,971,979.25, 2,958,296.04 and 692,254.98

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Solution

The fourth proportional to 1,971,979.25, 2,958,296.04 and 692,254.98 is: 1,038,497.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,979.25 : 2,958,296.04 = 692,254.98 : x
  2. Step 2: Convert to fraction form
    1,971,979.25/2,958,296.04 = 692,254.98/x
  3. Step 3: Cross multiply
    1,971,979.25x = 2,958,296.04 × 692,254.98
  4. Step 4: Simplify right side
    1,971,979.25x = 2,047,895,166,004.28
  5. Step 5: Solve for x
    x = 2,047,895,166,004.28/1,971,979.25
  6. Step 6: Final answer
    x = 1,038,497.32

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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.