Home / 1,525,638.08-2,105,381.76-846,574.40

Finding the Fourth Proportional to 1,525,638.08, 2,105,381.76 and 846,574.40

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Solution

The fourth proportional to 1,525,638.08, 2,105,381.76 and 846,574.40 is: 1,168,273.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,638.08 : 2,105,381.76 = 846,574.40 : x
  2. Step 2: Convert to fraction form
    1,525,638.08/2,105,381.76 = 846,574.40/x
  3. Step 3: Cross multiply
    1,525,638.08x = 2,105,381.76 × 846,574.40
  4. Step 4: Simplify right side
    1,525,638.08x = 1,782,362,300,242.94
  5. Step 5: Solve for x
    x = 1,782,362,300,242.94/1,525,638.08
  6. Step 6: Final answer
    x = 1,168,273.34

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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.