Home / 1,230,814.98-1,698,372.36-686,980.98

Finding the Fourth Proportional to 1,230,814.98, 1,698,372.36 and 686,980.98

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Solution

The fourth proportional to 1,230,814.98, 1,698,372.36 and 686,980.98 is: 947,948.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,814.98 : 1,698,372.36 = 686,980.98 : x
  2. Step 2: Convert to fraction form
    1,230,814.98/1,698,372.36 = 686,980.98/x
  3. Step 3: Cross multiply
    1,230,814.98x = 1,698,372.36 × 686,980.98
  4. Step 4: Simplify right side
    1,230,814.98x = 1,166,749,508,277.71
  5. Step 5: Solve for x
    x = 1,166,749,508,277.71/1,230,814.98
  6. Step 6: Final answer
    x = 947,948.74

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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.