Home / 1,580,378.40-2,367,068.40-1,300,442.40

Finding the Fourth Proportional to 1,580,378.40, 2,367,068.40 and 1,300,442.40

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Solution

The fourth proportional to 1,580,378.40, 2,367,068.40 and 1,300,442.40 is: 1,947,784.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,378.40 : 2,367,068.40 = 1,300,442.40 : x
  2. Step 2: Convert to fraction form
    1,580,378.40/2,367,068.40 = 1,300,442.40/x
  3. Step 3: Cross multiply
    1,580,378.40x = 2,367,068.40 × 1,300,442.40
  4. Step 4: Simplify right side
    1,580,378.40x = 3,078,236,111,060.16
  5. Step 5: Solve for x
    x = 3,078,236,111,060.16/1,580,378.40
  6. Step 6: Final answer
    x = 1,947,784.22

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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.