Home / 1,146,672.80-1,720,009.20-579,802.40

Finding the Fourth Proportional to 1,146,672.80, 1,720,009.20 and 579,802.40

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Solution

The fourth proportional to 1,146,672.80, 1,720,009.20 and 579,802.40 is: 869,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,672.80 : 1,720,009.20 = 579,802.40 : x
  2. Step 2: Convert to fraction form
    1,146,672.80/1,720,009.20 = 579,802.40/x
  3. Step 3: Cross multiply
    1,146,672.80x = 1,720,009.20 × 579,802.40
  4. Step 4: Simplify right side
    1,146,672.80x = 997,265,462,182.08
  5. Step 5: Solve for x
    x = 997,265,462,182.08/1,146,672.80
  6. Step 6: Final answer
    x = 869,703.60

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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.