Home / 1,759,565.40-2,638,821.60-917,657.88

Finding the Fourth Proportional to 1,759,565.40, 2,638,821.60 and 917,657.88

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Solution

The fourth proportional to 1,759,565.40, 2,638,821.60 and 917,657.88 is: 1,376,212.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,565.40 : 2,638,821.60 = 917,657.88 : x
  2. Step 2: Convert to fraction form
    1,759,565.40/2,638,821.60 = 917,657.88/x
  3. Step 3: Cross multiply
    1,759,565.40x = 2,638,821.60 × 917,657.88
  4. Step 4: Simplify right side
    1,759,565.40x = 2,421,535,435,154.21
  5. Step 5: Solve for x
    x = 2,421,535,435,154.21/1,759,565.40
  6. Step 6: Final answer
    x = 1,376,212.24

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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.