Home / 1,152,004.10-1,728,006.15-872,068.10

Finding the Fourth Proportional to 1,152,004.10, 1,728,006.15 and 872,068.10

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Solution

The fourth proportional to 1,152,004.10, 1,728,006.15 and 872,068.10 is: 1,308,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,004.10 : 1,728,006.15 = 872,068.10 : x
  2. Step 2: Convert to fraction form
    1,152,004.10/1,728,006.15 = 872,068.10/x
  3. Step 3: Cross multiply
    1,152,004.10x = 1,728,006.15 × 872,068.10
  4. Step 4: Simplify right side
    1,152,004.10x = 1,506,939,040,018.82
  5. Step 5: Solve for x
    x = 1,506,939,040,018.82/1,152,004.10
  6. Step 6: Final answer
    x = 1,308,102.15

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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.