Home / 1,054,522.89-1,581,783.93-423,436.50

Finding the Fourth Proportional to 1,054,522.89, 1,581,783.93 and 423,436.50

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Solution

The fourth proportional to 1,054,522.89, 1,581,783.93 and 423,436.50 is: 635,154.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,522.89 : 1,581,783.93 = 423,436.50 : x
  2. Step 2: Convert to fraction form
    1,054,522.89/1,581,783.93 = 423,436.50/x
  3. Step 3: Cross multiply
    1,054,522.89x = 1,581,783.93 × 423,436.50
  4. Step 4: Simplify right side
    1,054,522.89x = 669,785,051,075.45
  5. Step 5: Solve for x
    x = 669,785,051,075.45/1,054,522.89
  6. Step 6: Final answer
    x = 635,154.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.