Home / 1,686,281.79-2,327,828.83-1,075,255.86

Finding the Fourth Proportional to 1,686,281.79, 2,327,828.83 and 1,075,255.86

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Solution

The fourth proportional to 1,686,281.79, 2,327,828.83 and 1,075,255.86 is: 1,484,337.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,281.79 : 2,327,828.83 = 1,075,255.86 : x
  2. Step 2: Convert to fraction form
    1,686,281.79/2,327,828.83 = 1,075,255.86/x
  3. Step 3: Cross multiply
    1,686,281.79x = 2,327,828.83 × 1,075,255.86
  4. Step 4: Simplify right side
    1,686,281.79x = 2,503,011,596,575.66
  5. Step 5: Solve for x
    x = 2,503,011,596,575.66/1,686,281.79
  6. Step 6: Final answer
    x = 1,484,337.67

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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.