Home / 1,411,046.90-1,947,280.94-766,503.98

Finding the Fourth Proportional to 1,411,046.90, 1,947,280.94 and 766,503.98

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Solution

The fourth proportional to 1,411,046.90, 1,947,280.94 and 766,503.98 is: 1,057,795.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,046.90 : 1,947,280.94 = 766,503.98 : x
  2. Step 2: Convert to fraction form
    1,411,046.90/1,947,280.94 = 766,503.98/x
  3. Step 3: Cross multiply
    1,411,046.90x = 1,947,280.94 × 766,503.98
  4. Step 4: Simplify right side
    1,411,046.90x = 1,492,598,590,688.14
  5. Step 5: Solve for x
    x = 1,492,598,590,688.14/1,411,046.90
  6. Step 6: Final answer
    x = 1,057,795.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.