Home / 1,487,236.32-2,230,455.96-645,588

Finding the Fourth Proportional to 1,487,236.32, 2,230,455.96 and 645,588

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Solution

The fourth proportional to 1,487,236.32, 2,230,455.96 and 645,588 is: 968,209.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,236.32 : 2,230,455.96 = 645,588 : x
  2. Step 2: Convert to fraction form
    1,487,236.32/2,230,455.96 = 645,588/x
  3. Step 3: Cross multiply
    1,487,236.32x = 2,230,455.96 × 645,588
  4. Step 4: Simplify right side
    1,487,236.32x = 1,439,955,602,304.48
  5. Step 5: Solve for x
    x = 1,439,955,602,304.48/1,487,236.32
  6. Step 6: Final answer
    x = 968,209.01

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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.