Home / 1,330,389.70-1,995,001.35-531,405.70

Finding the Fourth Proportional to 1,330,389.70, 1,995,001.35 and 531,405.70

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Solution

The fourth proportional to 1,330,389.70, 1,995,001.35 and 531,405.70 is: 796,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,389.70 : 1,995,001.35 = 531,405.70 : x
  2. Step 2: Convert to fraction form
    1,330,389.70/1,995,001.35 = 531,405.70/x
  3. Step 3: Cross multiply
    1,330,389.70x = 1,995,001.35 × 531,405.70
  4. Step 4: Simplify right side
    1,330,389.70x = 1,060,155,088,897.70
  5. Step 5: Solve for x
    x = 1,060,155,088,897.70/1,330,389.70
  6. Step 6: Final answer
    x = 796,875.60

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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.