Home / 1,045,484.40-1,564,727.40-919,513.20

Finding the Fourth Proportional to 1,045,484.40, 1,564,727.40 and 919,513.20

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Solution

The fourth proportional to 1,045,484.40, 1,564,727.40 and 919,513.20 is: 1,376,192.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,484.40 : 1,564,727.40 = 919,513.20 : x
  2. Step 2: Convert to fraction form
    1,045,484.40/1,564,727.40 = 919,513.20/x
  3. Step 3: Cross multiply
    1,045,484.40x = 1,564,727.40 × 919,513.20
  4. Step 4: Simplify right side
    1,045,484.40x = 1,438,787,498,701.68
  5. Step 5: Solve for x
    x = 1,438,787,498,701.68/1,045,484.40
  6. Step 6: Final answer
    x = 1,376,192.22

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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.