Home / 1,434,864.93-1,980,253.32-1,071,658.15

Finding the Fourth Proportional to 1,434,864.93, 1,980,253.32 and 1,071,658.15

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Solution

The fourth proportional to 1,434,864.93, 1,980,253.32 and 1,071,658.15 is: 1,478,992.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,864.93 : 1,980,253.32 = 1,071,658.15 : x
  2. Step 2: Convert to fraction form
    1,434,864.93/1,980,253.32 = 1,071,658.15/x
  3. Step 3: Cross multiply
    1,434,864.93x = 1,980,253.32 × 1,071,658.15
  4. Step 4: Simplify right side
    1,434,864.93x = 2,122,154,606,501.28
  5. Step 5: Solve for x
    x = 2,122,154,606,501.28/1,434,864.93
  6. Step 6: Final answer
    x = 1,478,992.59

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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.