Home / 1,335,369.60-2,003,184-388,719.36

Finding the Fourth Proportional to 1,335,369.60, 2,003,184 and 388,719.36

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Solution

The fourth proportional to 1,335,369.60, 2,003,184 and 388,719.36 is: 583,116.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,369.60 : 2,003,184 = 388,719.36 : x
  2. Step 2: Convert to fraction form
    1,335,369.60/2,003,184 = 388,719.36/x
  3. Step 3: Cross multiply
    1,335,369.60x = 2,003,184 × 388,719.36
  4. Step 4: Simplify right side
    1,335,369.60x = 778,676,402,442.24
  5. Step 5: Solve for x
    x = 778,676,402,442.24/1,335,369.60
  6. Step 6: Final answer
    x = 583,116.77

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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.