Home / 1,570,403.40-2,355,605.10-773,241.90

Finding the Fourth Proportional to 1,570,403.40, 2,355,605.10 and 773,241.90

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Solution

The fourth proportional to 1,570,403.40, 2,355,605.10 and 773,241.90 is: 1,159,862.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,403.40 : 2,355,605.10 = 773,241.90 : x
  2. Step 2: Convert to fraction form
    1,570,403.40/2,355,605.10 = 773,241.90/x
  3. Step 3: Cross multiply
    1,570,403.40x = 2,355,605.10 × 773,241.90
  4. Step 4: Simplify right side
    1,570,403.40x = 1,821,452,563,173.69
  5. Step 5: Solve for x
    x = 1,821,452,563,173.69/1,570,403.40
  6. Step 6: Final answer
    x = 1,159,862.85

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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.