Home / 1,008,068.40-1,510,547.40-874,321.20

Finding the Fourth Proportional to 1,008,068.40, 1,510,547.40 and 874,321.20

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Solution

The fourth proportional to 1,008,068.40, 1,510,547.40 and 874,321.20 is: 1,310,132.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,068.40 : 1,510,547.40 = 874,321.20 : x
  2. Step 2: Convert to fraction form
    1,008,068.40/1,510,547.40 = 874,321.20/x
  3. Step 3: Cross multiply
    1,008,068.40x = 1,510,547.40 × 874,321.20
  4. Step 4: Simplify right side
    1,008,068.40x = 1,320,703,615,424.88
  5. Step 5: Solve for x
    x = 1,320,703,615,424.88/1,008,068.40
  6. Step 6: Final answer
    x = 1,310,132.94

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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.