Home / 1,307,186.43-1,960,338.82-497,378.60

Finding the Fourth Proportional to 1,307,186.43, 1,960,338.82 and 497,378.60

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Solution

The fourth proportional to 1,307,186.43, 1,960,338.82 and 497,378.60 is: 745,900.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,186.43 : 1,960,338.82 = 497,378.60 : x
  2. Step 2: Convert to fraction form
    1,307,186.43/1,960,338.82 = 497,378.60/x
  3. Step 3: Cross multiply
    1,307,186.43x = 1,960,338.82 × 497,378.60
  4. Step 4: Simplify right side
    1,307,186.43x = 975,030,574,159.85
  5. Step 5: Solve for x
    x = 975,030,574,159.85/1,307,186.43
  6. Step 6: Final answer
    x = 745,900.17

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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.