Home / 1,317,240-1,817,822.88-807,647.04

Finding the Fourth Proportional to 1,317,240, 1,817,822.88 and 807,647.04

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Solution

The fourth proportional to 1,317,240, 1,817,822.88 and 807,647.04 is: 1,114,572.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,240 : 1,817,822.88 = 807,647.04 : x
  2. Step 2: Convert to fraction form
    1,317,240/1,817,822.88 = 807,647.04/x
  3. Step 3: Cross multiply
    1,317,240x = 1,817,822.88 × 807,647.04
  4. Step 4: Simplify right side
    1,317,240x = 1,468,159,268,276.28
  5. Step 5: Solve for x
    x = 1,468,159,268,276.28/1,317,240
  6. Step 6: Final answer
    x = 1,114,572.34

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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.