Home / 1,139,353.60-1,709,127.96-297,904

Finding the Fourth Proportional to 1,139,353.60, 1,709,127.96 and 297,904

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Solution

The fourth proportional to 1,139,353.60, 1,709,127.96 and 297,904 is: 446,881.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,353.60 : 1,709,127.96 = 297,904 : x
  2. Step 2: Convert to fraction form
    1,139,353.60/1,709,127.96 = 297,904/x
  3. Step 3: Cross multiply
    1,139,353.60x = 1,709,127.96 × 297,904
  4. Step 4: Simplify right side
    1,139,353.60x = 509,156,055,795.84
  5. Step 5: Solve for x
    x = 509,156,055,795.84/1,139,353.60
  6. Step 6: Final answer
    x = 446,881.51

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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.