Home / 1,047,521.98-1,571,373.48-289,363.18

Finding the Fourth Proportional to 1,047,521.98, 1,571,373.48 and 289,363.18

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Solution

The fourth proportional to 1,047,521.98, 1,571,373.48 and 289,363.18 is: 434,069.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,521.98 : 1,571,373.48 = 289,363.18 : x
  2. Step 2: Convert to fraction form
    1,047,521.98/1,571,373.48 = 289,363.18/x
  3. Step 3: Cross multiply
    1,047,521.98x = 1,571,373.48 × 289,363.18
  4. Step 4: Simplify right side
    1,047,521.98x = 454,697,627,140.47
  5. Step 5: Solve for x
    x = 454,697,627,140.47/1,047,521.98
  6. Step 6: Final answer
    x = 434,069.77

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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.