Home / 1,296,382.40-1,946,323.20-1,030,443.20

Finding the Fourth Proportional to 1,296,382.40, 1,946,323.20 and 1,030,443.20

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Solution

The fourth proportional to 1,296,382.40, 1,946,323.20 and 1,030,443.20 is: 1,547,055.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,382.40 : 1,946,323.20 = 1,030,443.20 : x
  2. Step 2: Convert to fraction form
    1,296,382.40/1,946,323.20 = 1,030,443.20/x
  3. Step 3: Cross multiply
    1,296,382.40x = 1,946,323.20 × 1,030,443.20
  4. Step 4: Simplify right side
    1,296,382.40x = 2,005,575,506,442.24
  5. Step 5: Solve for x
    x = 2,005,575,506,442.24/1,296,382.40
  6. Step 6: Final answer
    x = 1,547,055.49

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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.