Home / 1,587,426.78-2,190,689.74-862,316

Finding the Fourth Proportional to 1,587,426.78, 2,190,689.74 and 862,316

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Solution

The fourth proportional to 1,587,426.78, 2,190,689.74 and 862,316 is: 1,190,018.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,426.78 : 2,190,689.74 = 862,316 : x
  2. Step 2: Convert to fraction form
    1,587,426.78/2,190,689.74 = 862,316/x
  3. Step 3: Cross multiply
    1,587,426.78x = 2,190,689.74 × 862,316
  4. Step 4: Simplify right side
    1,587,426.78x = 1,889,066,813,837.84
  5. Step 5: Solve for x
    x = 1,889,066,813,837.84/1,587,426.78
  6. Step 6: Final answer
    x = 1,190,018.23

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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.