Home / 1,420,700.59-1,960,595.72-776,162.53

Finding the Fourth Proportional to 1,420,700.59, 1,960,595.72 and 776,162.53

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Solution

The fourth proportional to 1,420,700.59, 1,960,595.72 and 776,162.53 is: 1,071,120.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,700.59 : 1,960,595.72 = 776,162.53 : x
  2. Step 2: Convert to fraction form
    1,420,700.59/1,960,595.72 = 776,162.53/x
  3. Step 3: Cross multiply
    1,420,700.59x = 1,960,595.72 × 776,162.53
  4. Step 4: Simplify right side
    1,420,700.59x = 1,521,740,934,342.37
  5. Step 5: Solve for x
    x = 1,521,740,934,342.37/1,420,700.59
  6. Step 6: Final answer
    x = 1,071,120.08

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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.