Home / 1,282,430.85-1,769,806.68-709,461.15

Finding the Fourth Proportional to 1,282,430.85, 1,769,806.68 and 709,461.15

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Solution

The fourth proportional to 1,282,430.85, 1,769,806.68 and 709,461.15 is: 979,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,430.85 : 1,769,806.68 = 709,461.15 : x
  2. Step 2: Convert to fraction form
    1,282,430.85/1,769,806.68 = 709,461.15/x
  3. Step 3: Cross multiply
    1,282,430.85x = 1,769,806.68 × 709,461.15
  4. Step 4: Simplify right side
    1,282,430.85x = 1,255,609,078,923.18
  5. Step 5: Solve for x
    x = 1,255,609,078,923.18/1,282,430.85
  6. Step 6: Final answer
    x = 979,085.21

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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.