Home / 1,004,342.87-1,386,213.85-660,210.59

Finding the Fourth Proportional to 1,004,342.87, 1,386,213.85 and 660,210.59

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Solution

The fourth proportional to 1,004,342.87, 1,386,213.85 and 660,210.59 is: 911,235.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,342.87 : 1,386,213.85 = 660,210.59 : x
  2. Step 2: Convert to fraction form
    1,004,342.87/1,386,213.85 = 660,210.59/x
  3. Step 3: Cross multiply
    1,004,342.87x = 1,386,213.85 × 660,210.59
  4. Step 4: Simplify right side
    1,004,342.87x = 915,193,060,473.62
  5. Step 5: Solve for x
    x = 915,193,060,473.62/1,004,342.87
  6. Step 6: Final answer
    x = 911,235.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.