Home / 1,090,795.86-1,636,305.48-417,443.40

Finding the Fourth Proportional to 1,090,795.86, 1,636,305.48 and 417,443.40

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Solution

The fourth proportional to 1,090,795.86, 1,636,305.48 and 417,443.40 is: 626,207.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,795.86 : 1,636,305.48 = 417,443.40 : x
  2. Step 2: Convert to fraction form
    1,090,795.86/1,636,305.48 = 417,443.40/x
  3. Step 3: Cross multiply
    1,090,795.86x = 1,636,305.48 × 417,443.40
  4. Step 4: Simplify right side
    1,090,795.86x = 683,064,923,009.83
  5. Step 5: Solve for x
    x = 683,064,923,009.83/1,090,795.86
  6. Step 6: Final answer
    x = 626,207.84

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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.