Home / 1,070,416.44-1,602,278.55-690,829.79

Finding the Fourth Proportional to 1,070,416.44, 1,602,278.55 and 690,829.79

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Solution

The fourth proportional to 1,070,416.44, 1,602,278.55 and 690,829.79 is: 1,034,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,416.44 : 1,602,278.55 = 690,829.79 : x
  2. Step 2: Convert to fraction form
    1,070,416.44/1,602,278.55 = 690,829.79/x
  3. Step 3: Cross multiply
    1,070,416.44x = 1,602,278.55 × 690,829.79
  4. Step 4: Simplify right side
    1,070,416.44x = 1,106,901,746,206.61
  5. Step 5: Solve for x
    x = 1,106,901,746,206.61/1,070,416.44
  6. Step 6: Final answer
    x = 1,034,085.15

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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.