Home / 1,488,396.60-2,053,998-809,328.24

Finding the Fourth Proportional to 1,488,396.60, 2,053,998 and 809,328.24

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Solution

The fourth proportional to 1,488,396.60, 2,053,998 and 809,328.24 is: 1,116,878.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,396.60 : 2,053,998 = 809,328.24 : x
  2. Step 2: Convert to fraction form
    1,488,396.60/2,053,998 = 809,328.24/x
  3. Step 3: Cross multiply
    1,488,396.60x = 2,053,998 × 809,328.24
  4. Step 4: Simplify right side
    1,488,396.60x = 1,662,358,586,303.52
  5. Step 5: Solve for x
    x = 1,662,358,586,303.52/1,488,396.60
  6. Step 6: Final answer
    x = 1,116,878.79

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Double scale
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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.