Home / 1,030,541.32-1,545,064.60-692,744.12

Finding the Fourth Proportional to 1,030,541.32, 1,545,064.60 and 692,744.12

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Solution

The fourth proportional to 1,030,541.32, 1,545,064.60 and 692,744.12 is: 1,038,613.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,541.32 : 1,545,064.60 = 692,744.12 : x
  2. Step 2: Convert to fraction form
    1,030,541.32/1,545,064.60 = 692,744.12/x
  3. Step 3: Cross multiply
    1,030,541.32x = 1,545,064.60 × 692,744.12
  4. Step 4: Simplify right side
    1,030,541.32x = 1,070,334,416,670.15
  5. Step 5: Solve for x
    x = 1,070,334,416,670.15/1,030,541.32
  6. Step 6: Final answer
    x = 1,038,613.78

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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.