Home / 1,368,547.80-2,053,113.30-422,014.20

Finding the Fourth Proportional to 1,368,547.80, 2,053,113.30 and 422,014.20

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Solution

The fourth proportional to 1,368,547.80, 2,053,113.30 and 422,014.20 is: 633,111.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,547.80 : 2,053,113.30 = 422,014.20 : x
  2. Step 2: Convert to fraction form
    1,368,547.80/2,053,113.30 = 422,014.20/x
  3. Step 3: Cross multiply
    1,368,547.80x = 2,053,113.30 × 422,014.20
  4. Step 4: Simplify right side
    1,368,547.80x = 866,442,966,808.86
  5. Step 5: Solve for x
    x = 866,442,966,808.86/1,368,547.80
  6. Step 6: Final answer
    x = 633,111.22

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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.