Home / 1,090,852.68-1,636,390.98-417,500.40

Finding the Fourth Proportional to 1,090,852.68, 1,636,390.98 and 417,500.40

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Solution

The fourth proportional to 1,090,852.68, 1,636,390.98 and 417,500.40 is: 626,293.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,852.68 : 1,636,390.98 = 417,500.40 : x
  2. Step 2: Convert to fraction form
    1,090,852.68/1,636,390.98 = 417,500.40/x
  3. Step 3: Cross multiply
    1,090,852.68x = 1,636,390.98 × 417,500.40
  4. Step 4: Simplify right side
    1,090,852.68x = 683,193,888,706.39
  5. Step 5: Solve for x
    x = 683,193,888,706.39/1,090,852.68
  6. Step 6: Final answer
    x = 626,293.45

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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.