Home / 1,010,075.87-1,393,934.36-551,220.06

Finding the Fourth Proportional to 1,010,075.87, 1,393,934.36 and 551,220.06

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Solution

The fourth proportional to 1,010,075.87, 1,393,934.36 and 551,220.06 is: 760,699.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,075.87 : 1,393,934.36 = 551,220.06 : x
  2. Step 2: Convert to fraction form
    1,010,075.87/1,393,934.36 = 551,220.06/x
  3. Step 3: Cross multiply
    1,010,075.87x = 1,393,934.36 × 551,220.06
  4. Step 4: Simplify right side
    1,010,075.87x = 768,364,580,881.16
  5. Step 5: Solve for x
    x = 768,364,580,881.16/1,010,075.87
  6. Step 6: Final answer
    x = 760,699.86

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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.