Home / 1,548,405-2,136,798.90-869,341.50

Finding the Fourth Proportional to 1,548,405, 2,136,798.90 and 869,341.50

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Solution

The fourth proportional to 1,548,405, 2,136,798.90 and 869,341.50 is: 1,199,691.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548,405 : 2,136,798.90 = 869,341.50 : x
  2. Step 2: Convert to fraction form
    1,548,405/2,136,798.90 = 869,341.50/x
  3. Step 3: Cross multiply
    1,548,405x = 2,136,798.90 × 869,341.50
  4. Step 4: Simplify right side
    1,548,405x = 1,857,607,960,924.35
  5. Step 5: Solve for x
    x = 1,857,607,960,924.35/1,548,405
  6. Step 6: Final answer
    x = 1,199,691.27

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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.