Home / 1,210,913.88-1,670,935.44-745,693.80

Finding the Fourth Proportional to 1,210,913.88, 1,670,935.44 and 745,693.80

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Solution

The fourth proportional to 1,210,913.88, 1,670,935.44 and 745,693.80 is: 1,028,980.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,913.88 : 1,670,935.44 = 745,693.80 : x
  2. Step 2: Convert to fraction form
    1,210,913.88/1,670,935.44 = 745,693.80/x
  3. Step 3: Cross multiply
    1,210,913.88x = 1,670,935.44 × 745,693.80
  4. Step 4: Simplify right side
    1,210,913.88x = 1,246,006,197,808.27
  5. Step 5: Solve for x
    x = 1,246,006,197,808.27/1,210,913.88
  6. Step 6: Final answer
    x = 1,028,980.03

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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.