Home / 1,009,770.17-1,393,482.75-557,061.17

Finding the Fourth Proportional to 1,009,770.17, 1,393,482.75 and 557,061.17

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Solution

The fourth proportional to 1,009,770.17, 1,393,482.75 and 557,061.17 is: 768,744.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,770.17 : 1,393,482.75 = 557,061.17 : x
  2. Step 2: Convert to fraction form
    1,009,770.17/1,393,482.75 = 557,061.17/x
  3. Step 3: Cross multiply
    1,009,770.17x = 1,393,482.75 × 557,061.17
  4. Step 4: Simplify right side
    1,009,770.17x = 776,255,131,089.82
  5. Step 5: Solve for x
    x = 776,255,131,089.82/1,009,770.17
  6. Step 6: Final answer
    x = 768,744.37

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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.