Home / 1,625,815.18-2,243,641.04-900,672.81

Finding the Fourth Proportional to 1,625,815.18, 2,243,641.04 and 900,672.81

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Solution

The fourth proportional to 1,625,815.18, 2,243,641.04 and 900,672.81 is: 1,242,937.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,815.18 : 2,243,641.04 = 900,672.81 : x
  2. Step 2: Convert to fraction form
    1,625,815.18/2,243,641.04 = 900,672.81/x
  3. Step 3: Cross multiply
    1,625,815.18x = 2,243,641.04 × 900,672.81
  4. Step 4: Simplify right side
    1,625,815.18x = 2,020,786,480,128.12
  5. Step 5: Solve for x
    x = 2,020,786,480,128.12/1,625,815.18
  6. Step 6: Final answer
    x = 1,242,937.39

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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.