Home / 1,435,607.70-1,979,807.52-1,047,809.28

Finding the Fourth Proportional to 1,435,607.70, 1,979,807.52 and 1,047,809.28

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Solution

The fourth proportional to 1,435,607.70, 1,979,807.52 and 1,047,809.28 is: 1,445,005.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,607.70 : 1,979,807.52 = 1,047,809.28 : x
  2. Step 2: Convert to fraction form
    1,435,607.70/1,979,807.52 = 1,047,809.28/x
  3. Step 3: Cross multiply
    1,435,607.70x = 1,979,807.52 × 1,047,809.28
  4. Step 4: Simplify right side
    1,435,607.70x = 2,074,460,692,069.79
  5. Step 5: Solve for x
    x = 2,074,460,692,069.79/1,435,607.70
  6. Step 6: Final answer
    x = 1,445,005.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.