Home / 1,154,582-1,593,319.18-645,284.38

Finding the Fourth Proportional to 1,154,582, 1,593,319.18 and 645,284.38

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Solution

The fourth proportional to 1,154,582, 1,593,319.18 and 645,284.38 is: 890,490.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,582 : 1,593,319.18 = 645,284.38 : x
  2. Step 2: Convert to fraction form
    1,154,582/1,593,319.18 = 645,284.38/x
  3. Step 3: Cross multiply
    1,154,582x = 1,593,319.18 × 645,284.38
  4. Step 4: Simplify right side
    1,154,582x = 1,028,143,979,208.41
  5. Step 5: Solve for x
    x = 1,028,143,979,208.41/1,154,582
  6. Step 6: Final answer
    x = 890,490.22

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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.