Home / 1,360,300.80-1,877,992.59-902,038.05

Finding the Fourth Proportional to 1,360,300.80, 1,877,992.59 and 902,038.05

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Solution

The fourth proportional to 1,360,300.80, 1,877,992.59 and 902,038.05 is: 1,245,328.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,300.80 : 1,877,992.59 = 902,038.05 : x
  2. Step 2: Convert to fraction form
    1,360,300.80/1,877,992.59 = 902,038.05/x
  3. Step 3: Cross multiply
    1,360,300.80x = 1,877,992.59 × 902,038.05
  4. Step 4: Simplify right side
    1,360,300.80x = 1,694,020,773,798.05
  5. Step 5: Solve for x
    x = 1,694,020,773,798.05/1,360,300.80
  6. Step 6: Final answer
    x = 1,245,328.07

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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.