Home / 1,470,688.40-2,208,106.20-910,816.40

Finding the Fourth Proportional to 1,470,688.40, 2,208,106.20 and 910,816.40

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Solution

The fourth proportional to 1,470,688.40, 2,208,106.20 and 910,816.40 is: 1,367,508.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,688.40 : 2,208,106.20 = 910,816.40 : x
  2. Step 2: Convert to fraction form
    1,470,688.40/2,208,106.20 = 910,816.40/x
  3. Step 3: Cross multiply
    1,470,688.40x = 2,208,106.20 × 910,816.40
  4. Step 4: Simplify right side
    1,470,688.40x = 2,011,179,339,901.68
  5. Step 5: Solve for x
    x = 2,011,179,339,901.68/1,470,688.40
  6. Step 6: Final answer
    x = 1,367,508.81

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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.