Home / 1,362,800.07-1,880,664.15-790,172.40

Finding the Fourth Proportional to 1,362,800.07, 1,880,664.15 and 790,172.40

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Solution

The fourth proportional to 1,362,800.07, 1,880,664.15 and 790,172.40 is: 1,090,437.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,800.07 : 1,880,664.15 = 790,172.40 : x
  2. Step 2: Convert to fraction form
    1,362,800.07/1,880,664.15 = 790,172.40/x
  3. Step 3: Cross multiply
    1,362,800.07x = 1,880,664.15 × 790,172.40
  4. Step 4: Simplify right side
    1,362,800.07x = 1,486,048,904,999.46
  5. Step 5: Solve for x
    x = 1,486,048,904,999.46/1,362,800.07
  6. Step 6: Final answer
    x = 1,090,437.94

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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.