Home / 1,779,970.23-2,669,972.09-432,144.68

Finding the Fourth Proportional to 1,779,970.23, 2,669,972.09 and 432,144.68

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Solution

The fourth proportional to 1,779,970.23, 2,669,972.09 and 432,144.68 is: 648,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,970.23 : 2,669,972.09 = 432,144.68 : x
  2. Step 2: Convert to fraction form
    1,779,970.23/2,669,972.09 = 432,144.68/x
  3. Step 3: Cross multiply
    1,779,970.23x = 2,669,972.09 × 432,144.68
  4. Step 4: Simplify right side
    1,779,970.23x = 1,153,814,218,931.40
  5. Step 5: Solve for x
    x = 1,153,814,218,931.40/1,779,970.23
  6. Step 6: Final answer
    x = 648,221.08

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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.