Home / 1,532,723.04-2,115,136.80-853,664.40

Finding the Fourth Proportional to 1,532,723.04, 2,115,136.80 and 853,664.40

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Solution

The fourth proportional to 1,532,723.04, 2,115,136.80 and 853,664.40 is: 1,178,045.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,723.04 : 2,115,136.80 = 853,664.40 : x
  2. Step 2: Convert to fraction form
    1,532,723.04/2,115,136.80 = 853,664.40/x
  3. Step 3: Cross multiply
    1,532,723.04x = 2,115,136.80 × 853,664.40
  4. Step 4: Simplify right side
    1,532,723.04x = 1,805,616,987,289.92
  5. Step 5: Solve for x
    x = 1,805,616,987,289.92/1,532,723.04
  6. Step 6: Final answer
    x = 1,178,045.18

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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.