Home / 1,075,451.39-1,484,141.79-585,435

Finding the Fourth Proportional to 1,075,451.39, 1,484,141.79 and 585,435

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Solution

The fourth proportional to 1,075,451.39, 1,484,141.79 and 585,435 is: 807,910.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,451.39 : 1,484,141.79 = 585,435 : x
  2. Step 2: Convert to fraction form
    1,075,451.39/1,484,141.79 = 585,435/x
  3. Step 3: Cross multiply
    1,075,451.39x = 1,484,141.79 × 585,435
  4. Step 4: Simplify right side
    1,075,451.39x = 868,868,548,828.65
  5. Step 5: Solve for x
    x = 868,868,548,828.65/1,075,451.39
  6. Step 6: Final answer
    x = 807,910.58

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Double scale
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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.