Home / 1,130,849.70-1,696,274.55-289,401.45

Finding the Fourth Proportional to 1,130,849.70, 1,696,274.55 and 289,401.45

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Solution

The fourth proportional to 1,130,849.70, 1,696,274.55 and 289,401.45 is: 434,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,849.70 : 1,696,274.55 = 289,401.45 : x
  2. Step 2: Convert to fraction form
    1,130,849.70/1,696,274.55 = 289,401.45/x
  3. Step 3: Cross multiply
    1,130,849.70x = 1,696,274.55 × 289,401.45
  4. Step 4: Simplify right side
    1,130,849.70x = 490,904,314,368.10
  5. Step 5: Solve for x
    x = 490,904,314,368.10/1,130,849.70
  6. Step 6: Final answer
    x = 434,102.18

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1.5x scale

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.