Home / 1,420,543.04-1,960,264.32-775,834.88

Finding the Fourth Proportional to 1,420,543.04, 1,960,264.32 and 775,834.88

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Solution

The fourth proportional to 1,420,543.04, 1,960,264.32 and 775,834.88 is: 1,070,605.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,543.04 : 1,960,264.32 = 775,834.88 : x
  2. Step 2: Convert to fraction form
    1,420,543.04/1,960,264.32 = 775,834.88/x
  3. Step 3: Cross multiply
    1,420,543.04x = 1,960,264.32 × 775,834.88
  4. Step 4: Simplify right side
    1,420,543.04x = 1,520,841,433,475.48
  5. Step 5: Solve for x
    x = 1,520,841,433,475.48/1,420,543.04
  6. Step 6: Final answer
    x = 1,070,605.67

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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.