Home / 1,130,379.36-1,695,646.80-382,172.64

Finding the Fourth Proportional to 1,130,379.36, 1,695,646.80 and 382,172.64

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Solution

The fourth proportional to 1,130,379.36, 1,695,646.80 and 382,172.64 is: 573,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,379.36 : 1,695,646.80 = 382,172.64 : x
  2. Step 2: Convert to fraction form
    1,130,379.36/1,695,646.80 = 382,172.64/x
  3. Step 3: Cross multiply
    1,130,379.36x = 1,695,646.80 × 382,172.64
  4. Step 4: Simplify right side
    1,130,379.36x = 648,029,814,063.55
  5. Step 5: Solve for x
    x = 648,029,814,063.55/1,130,379.36
  6. Step 6: Final answer
    x = 573,285.25

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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.