Home / 1,535,626.40-2,300,329.20-870,000.80

Finding the Fourth Proportional to 1,535,626.40, 2,300,329.20 and 870,000.80

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Solution

The fourth proportional to 1,535,626.40, 2,300,329.20 and 870,000.80 is: 1,303,239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,626.40 : 2,300,329.20 = 870,000.80 : x
  2. Step 2: Convert to fraction form
    1,535,626.40/2,300,329.20 = 870,000.80/x
  3. Step 3: Cross multiply
    1,535,626.40x = 2,300,329.20 × 870,000.80
  4. Step 4: Simplify right side
    1,535,626.40x = 2,001,288,244,263.36
  5. Step 5: Solve for x
    x = 2,001,288,244,263.36/1,535,626.40
  6. Step 6: Final answer
    x = 1,303,239.02

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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.