Home / 1,470,551.52-2,205,899.64-405,570

Finding the Fourth Proportional to 1,470,551.52, 2,205,899.64 and 405,570

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Solution

The fourth proportional to 1,470,551.52, 2,205,899.64 and 405,570 is: 608,374.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,551.52 : 2,205,899.64 = 405,570 : x
  2. Step 2: Convert to fraction form
    1,470,551.52/2,205,899.64 = 405,570/x
  3. Step 3: Cross multiply
    1,470,551.52x = 2,205,899.64 × 405,570
  4. Step 4: Simplify right side
    1,470,551.52x = 894,646,716,994.80
  5. Step 5: Solve for x
    x = 894,646,716,994.80/1,470,551.52
  6. Step 6: Final answer
    x = 608,374.96

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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.