Home / 1,458,068.61-2,012,231.40-813,502.76

Finding the Fourth Proportional to 1,458,068.61, 2,012,231.40 and 813,502.76

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Solution

The fourth proportional to 1,458,068.61, 2,012,231.40 and 813,502.76 is: 1,122,687.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,068.61 : 2,012,231.40 = 813,502.76 : x
  2. Step 2: Convert to fraction form
    1,458,068.61/2,012,231.40 = 813,502.76/x
  3. Step 3: Cross multiply
    1,458,068.61x = 2,012,231.40 × 813,502.76
  4. Step 4: Simplify right side
    1,458,068.61x = 1,636,955,787,597.51
  5. Step 5: Solve for x
    x = 1,636,955,787,597.51/1,458,068.61
  6. Step 6: Final answer
    x = 1,122,687.76

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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.