Home / 1,586,577.42-2,191,279.53-1,069,439.40

Finding the Fourth Proportional to 1,586,577.42, 2,191,279.53 and 1,069,439.40

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Solution

The fourth proportional to 1,586,577.42, 2,191,279.53 and 1,069,439.40 is: 1,477,041.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,577.42 : 2,191,279.53 = 1,069,439.40 : x
  2. Step 2: Convert to fraction form
    1,586,577.42/2,191,279.53 = 1,069,439.40/x
  3. Step 3: Cross multiply
    1,586,577.42x = 2,191,279.53 × 1,069,439.40
  4. Step 4: Simplify right side
    1,586,577.42x = 2,343,440,665,795.48
  5. Step 5: Solve for x
    x = 2,343,440,665,795.48/1,586,577.42
  6. Step 6: Final answer
    x = 1,477,041.48

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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.