Home / 1,207,409.04-1,666,223.28-663,579.72

Finding the Fourth Proportional to 1,207,409.04, 1,666,223.28 and 663,579.72

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Solution

The fourth proportional to 1,207,409.04, 1,666,223.28 and 663,579.72 is: 915,739.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,409.04 : 1,666,223.28 = 663,579.72 : x
  2. Step 2: Convert to fraction form
    1,207,409.04/1,666,223.28 = 663,579.72/x
  3. Step 3: Cross multiply
    1,207,409.04x = 1,666,223.28 × 663,579.72
  4. Step 4: Simplify right side
    1,207,409.04x = 1,105,671,977,599.88
  5. Step 5: Solve for x
    x = 1,105,671,977,599.88/1,207,409.04
  6. Step 6: Final answer
    x = 915,739.36

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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.