Home / 975,903.40-1,463,855.10-821,938.60

Finding the Fourth Proportional to 975,903.40, 1,463,855.10 and 821,938.60

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Solution

The fourth proportional to 975,903.40, 1,463,855.10 and 821,938.60 is: 1,232,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,903.40 : 1,463,855.10 = 821,938.60 : x
  2. Step 2: Convert to fraction form
    975,903.40/1,463,855.10 = 821,938.60/x
  3. Step 3: Cross multiply
    975,903.40x = 1,463,855.10 × 821,938.60
  4. Step 4: Simplify right side
    975,903.40x = 1,203,199,011,496.86
  5. Step 5: Solve for x
    x = 1,203,199,011,496.86/975,903.40
  6. Step 6: Final answer
    x = 1,232,907.90

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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.