Home / 1,287,061.04-1,930,148.70-488,570.94

Finding the Fourth Proportional to 1,287,061.04, 1,930,148.70 and 488,570.94

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Solution

The fourth proportional to 1,287,061.04, 1,930,148.70 and 488,570.94 is: 732,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,061.04 : 1,930,148.70 = 488,570.94 : x
  2. Step 2: Convert to fraction form
    1,287,061.04/1,930,148.70 = 488,570.94/x
  3. Step 3: Cross multiply
    1,287,061.04x = 1,930,148.70 × 488,570.94
  4. Step 4: Simplify right side
    1,287,061.04x = 943,014,562,866.64
  5. Step 5: Solve for x
    x = 943,014,562,866.64/1,287,061.04
  6. Step 6: Final answer
    x = 732,688.30

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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.