Home / 1,030,542.32-1,545,066.10-692,745.12

Finding the Fourth Proportional to 1,030,542.32, 1,545,066.10 and 692,745.12

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Solution

The fourth proportional to 1,030,542.32, 1,545,066.10 and 692,745.12 is: 1,038,615.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,542.32 : 1,545,066.10 = 692,745.12 : x
  2. Step 2: Convert to fraction form
    1,030,542.32/1,545,066.10 = 692,745.12/x
  3. Step 3: Cross multiply
    1,030,542.32x = 1,545,066.10 × 692,745.12
  4. Step 4: Simplify right side
    1,030,542.32x = 1,070,337,000,852.43
  5. Step 5: Solve for x
    x = 1,070,337,000,852.43/1,030,542.32
  6. Step 6: Final answer
    x = 1,038,615.28

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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.