Home / 1,535,643.60-2,302,428.60-816,104.40

Finding the Fourth Proportional to 1,535,643.60, 2,302,428.60 and 816,104.40

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Solution

The fourth proportional to 1,535,643.60, 2,302,428.60 and 816,104.40 is: 1,223,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,643.60 : 2,302,428.60 = 816,104.40 : x
  2. Step 2: Convert to fraction form
    1,535,643.60/2,302,428.60 = 816,104.40/x
  3. Step 3: Cross multiply
    1,535,643.60x = 2,302,428.60 × 816,104.40
  4. Step 4: Simplify right side
    1,535,643.60x = 1,879,022,111,145.84
  5. Step 5: Solve for x
    x = 1,879,022,111,145.84/1,535,643.60
  6. Step 6: Final answer
    x = 1,223,605.60

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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.