Home / 1,208,726.70-1,813,090.05-788,477.10

Finding the Fourth Proportional to 1,208,726.70, 1,813,090.05 and 788,477.10

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Solution

The fourth proportional to 1,208,726.70, 1,813,090.05 and 788,477.10 is: 1,182,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,726.70 : 1,813,090.05 = 788,477.10 : x
  2. Step 2: Convert to fraction form
    1,208,726.70/1,813,090.05 = 788,477.10/x
  3. Step 3: Cross multiply
    1,208,726.70x = 1,813,090.05 × 788,477.10
  4. Step 4: Simplify right side
    1,208,726.70x = 1,429,579,984,662.86
  5. Step 5: Solve for x
    x = 1,429,579,984,662.86/1,208,726.70
  6. Step 6: Final answer
    x = 1,182,715.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.