Home / 1,728,038.81-2,385,590.13-1,262,369.81

Finding the Fourth Proportional to 1,728,038.81, 2,385,590.13 and 1,262,369.81

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Solution

The fourth proportional to 1,728,038.81, 2,385,590.13 and 1,262,369.81 is: 1,742,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,038.81 : 2,385,590.13 = 1,262,369.81 : x
  2. Step 2: Convert to fraction form
    1,728,038.81/2,385,590.13 = 1,262,369.81/x
  3. Step 3: Cross multiply
    1,728,038.81x = 2,385,590.13 × 1,262,369.81
  4. Step 4: Simplify right side
    1,728,038.81x = 3,011,496,965,109.95
  5. Step 5: Solve for x
    x = 3,011,496,965,109.95/1,728,038.81
  6. Step 6: Final answer
    x = 1,742,725.30

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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.