Home / 1,356,571.50-1,872,075.96-847,569.12

Finding the Fourth Proportional to 1,356,571.50, 1,872,075.96 and 847,569.12

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Solution

The fourth proportional to 1,356,571.50, 1,872,075.96 and 847,569.12 is: 1,169,649.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,571.50 : 1,872,075.96 = 847,569.12 : x
  2. Step 2: Convert to fraction form
    1,356,571.50/1,872,075.96 = 847,569.12/x
  3. Step 3: Cross multiply
    1,356,571.50x = 1,872,075.96 × 847,569.12
  4. Step 4: Simplify right side
    1,356,571.50x = 1,586,713,773,990.36
  5. Step 5: Solve for x
    x = 1,586,713,773,990.36/1,356,571.50
  6. Step 6: Final answer
    x = 1,169,649.94

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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.