Home / 1,125,391.03-1,688,084.02-869,595.58

Finding the Fourth Proportional to 1,125,391.03, 1,688,084.02 and 869,595.58

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Solution

The fourth proportional to 1,125,391.03, 1,688,084.02 and 869,595.58 is: 1,304,391.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,391.03 : 1,688,084.02 = 869,595.58 : x
  2. Step 2: Convert to fraction form
    1,125,391.03/1,688,084.02 = 869,595.58/x
  3. Step 3: Cross multiply
    1,125,391.03x = 1,688,084.02 × 869,595.58
  4. Step 4: Simplify right side
    1,125,391.03x = 1,467,950,402,460.63
  5. Step 5: Solve for x
    x = 1,467,950,402,460.63/1,125,391.03
  6. Step 6: Final answer
    x = 1,304,391.42

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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.