Home / 1,663,339.78-2,295,438.79-975,507.74

Finding the Fourth Proportional to 1,663,339.78, 2,295,438.79 and 975,507.74

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Solution

The fourth proportional to 1,663,339.78, 2,295,438.79 and 975,507.74 is: 1,346,218.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,339.78 : 2,295,438.79 = 975,507.74 : x
  2. Step 2: Convert to fraction form
    1,663,339.78/2,295,438.79 = 975,507.74/x
  3. Step 3: Cross multiply
    1,663,339.78x = 2,295,438.79 × 975,507.74
  4. Step 4: Simplify right side
    1,663,339.78x = 2,239,218,306,341.23
  5. Step 5: Solve for x
    x = 2,239,218,306,341.23/1,663,339.78
  6. Step 6: Final answer
    x = 1,346,218.21

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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.