Home / 1,058,779.80-1,587,276.78-459,289.34

Finding the Fourth Proportional to 1,058,779.80, 1,587,276.78 and 459,289.34

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Solution

The fourth proportional to 1,058,779.80, 1,587,276.78 and 459,289.34 is: 688,546.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,779.80 : 1,587,276.78 = 459,289.34 : x
  2. Step 2: Convert to fraction form
    1,058,779.80/1,587,276.78 = 459,289.34/x
  3. Step 3: Cross multiply
    1,058,779.80x = 1,587,276.78 × 459,289.34
  4. Step 4: Simplify right side
    1,058,779.80x = 729,019,304,683.53
  5. Step 5: Solve for x
    x = 729,019,304,683.53/1,058,779.80
  6. Step 6: Final answer
    x = 688,546.67

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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.