Home / 1,243,345.32-1,865,017.98-401,897.04

Finding the Fourth Proportional to 1,243,345.32, 1,865,017.98 and 401,897.04

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Solution

The fourth proportional to 1,243,345.32, 1,865,017.98 and 401,897.04 is: 602,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,345.32 : 1,865,017.98 = 401,897.04 : x
  2. Step 2: Convert to fraction form
    1,243,345.32/1,865,017.98 = 401,897.04/x
  3. Step 3: Cross multiply
    1,243,345.32x = 1,865,017.98 × 401,897.04
  4. Step 4: Simplify right side
    1,243,345.32x = 749,545,205,708.78
  5. Step 5: Solve for x
    x = 749,545,205,708.78/1,243,345.32
  6. Step 6: Final answer
    x = 602,845.56

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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.