Home / 1,565,431.70-2,159,340.90-1,035,001.13

Finding the Fourth Proportional to 1,565,431.70, 2,159,340.90 and 1,035,001.13

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Solution

The fourth proportional to 1,565,431.70, 2,159,340.90 and 1,035,001.13 is: 1,427,670.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,431.70 : 2,159,340.90 = 1,035,001.13 : x
  2. Step 2: Convert to fraction form
    1,565,431.70/2,159,340.90 = 1,035,001.13/x
  3. Step 3: Cross multiply
    1,565,431.70x = 2,159,340.90 × 1,035,001.13
  4. Step 4: Simplify right side
    1,565,431.70x = 2,234,920,271,555.22
  5. Step 5: Solve for x
    x = 2,234,920,271,555.22/1,565,431.70
  6. Step 6: Final answer
    x = 1,427,670.25

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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.