Home / 1,227,379.49-1,841,358.91-385,931.24

Finding the Fourth Proportional to 1,227,379.49, 1,841,358.91 and 385,931.24

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Solution

The fourth proportional to 1,227,379.49, 1,841,358.91 and 385,931.24 is: 578,987.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,379.49 : 1,841,358.91 = 385,931.24 : x
  2. Step 2: Convert to fraction form
    1,227,379.49/1,841,358.91 = 385,931.24/x
  3. Step 3: Cross multiply
    1,227,379.49x = 1,841,358.91 × 385,931.24
  4. Step 4: Simplify right side
    1,227,379.49x = 710,637,927,421.35
  5. Step 5: Solve for x
    x = 710,637,927,421.35/1,227,379.49
  6. Step 6: Final answer
    x = 578,987.94

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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.