Home / 1,087,213.79-1,500,313.92-603,810.07

Finding the Fourth Proportional to 1,087,213.79, 1,500,313.92 and 603,810.07

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Solution

The fourth proportional to 1,087,213.79, 1,500,313.92 and 603,810.07 is: 833,235.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,213.79 : 1,500,313.92 = 603,810.07 : x
  2. Step 2: Convert to fraction form
    1,087,213.79/1,500,313.92 = 603,810.07/x
  3. Step 3: Cross multiply
    1,087,213.79x = 1,500,313.92 × 603,810.07
  4. Step 4: Simplify right side
    1,087,213.79x = 905,904,652,959.95
  5. Step 5: Solve for x
    x = 905,904,652,959.95/1,087,213.79
  6. Step 6: Final answer
    x = 833,235.07

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1.5x scale

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.