Home / 1,430,815.65-1,972,552.59-1,141,409.48

Finding the Fourth Proportional to 1,430,815.65, 1,972,552.59 and 1,141,409.48

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Solution

The fourth proportional to 1,430,815.65, 1,972,552.59 and 1,141,409.48 is: 1,573,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,815.65 : 1,972,552.59 = 1,141,409.48 : x
  2. Step 2: Convert to fraction form
    1,430,815.65/1,972,552.59 = 1,141,409.48/x
  3. Step 3: Cross multiply
    1,430,815.65x = 1,972,552.59 × 1,141,409.48
  4. Step 4: Simplify right side
    1,430,815.65x = 2,251,490,226,024.55
  5. Step 5: Solve for x
    x = 2,251,490,226,024.55/1,430,815.65
  6. Step 6: Final answer
    x = 1,573,571.15

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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.