Home / 1,095,501.80-1,643,380.70-347,623.40

Finding the Fourth Proportional to 1,095,501.80, 1,643,380.70 and 347,623.40

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Solution

The fourth proportional to 1,095,501.80, 1,643,380.70 and 347,623.40 is: 521,475.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,501.80 : 1,643,380.70 = 347,623.40 : x
  2. Step 2: Convert to fraction form
    1,095,501.80/1,643,380.70 = 347,623.40/x
  3. Step 3: Cross multiply
    1,095,501.80x = 1,643,380.70 × 347,623.40
  4. Step 4: Simplify right side
    1,095,501.80x = 571,277,586,428.38
  5. Step 5: Solve for x
    x = 571,277,586,428.38/1,095,501.80
  6. Step 6: Final answer
    x = 521,475.72

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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.