Home / 1,478,066.04-2,216,410.12-767,903.40

Finding the Fourth Proportional to 1,478,066.04, 2,216,410.12 and 767,903.40

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Solution

The fourth proportional to 1,478,066.04, 2,216,410.12 and 767,903.40 is: 1,151,497.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,066.04 : 2,216,410.12 = 767,903.40 : x
  2. Step 2: Convert to fraction form
    1,478,066.04/2,216,410.12 = 767,903.40/x
  3. Step 3: Cross multiply
    1,478,066.04x = 2,216,410.12 × 767,903.40
  4. Step 4: Simplify right side
    1,478,066.04x = 1,701,988,866,942.41
  5. Step 5: Solve for x
    x = 1,701,988,866,942.41/1,478,066.04
  6. Step 6: Final answer
    x = 1,151,497.17

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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.