Home / 1,206,807.90-1,808,656.65-924,927.90

Finding the Fourth Proportional to 1,206,807.90, 1,808,656.65 and 924,927.90

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Solution

The fourth proportional to 1,206,807.90, 1,808,656.65 and 924,927.90 is: 1,386,199.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,807.90 : 1,808,656.65 = 924,927.90 : x
  2. Step 2: Convert to fraction form
    1,206,807.90/1,808,656.65 = 924,927.90/x
  3. Step 3: Cross multiply
    1,206,807.90x = 1,808,656.65 × 924,927.90
  4. Step 4: Simplify right side
    1,206,807.90x = 1,672,876,997,105.54
  5. Step 5: Solve for x
    x = 1,672,876,997,105.54/1,206,807.90
  6. Step 6: Final answer
    x = 1,386,199.91

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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.