Home / 1,217,663.49-1,679,000.50-910,756.31

Finding the Fourth Proportional to 1,217,663.49, 1,679,000.50 and 910,756.31

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Solution

The fourth proportional to 1,217,663.49, 1,679,000.50 and 910,756.31 is: 1,255,815.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,663.49 : 1,679,000.50 = 910,756.31 : x
  2. Step 2: Convert to fraction form
    1,217,663.49/1,679,000.50 = 910,756.31/x
  3. Step 3: Cross multiply
    1,217,663.49x = 1,679,000.50 × 910,756.31
  4. Step 4: Simplify right side
    1,217,663.49x = 1,529,160,302,055.98
  5. Step 5: Solve for x
    x = 1,529,160,302,055.98/1,217,663.49
  6. Step 6: Final answer
    x = 1,255,815.19

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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.