Home / 1,140,808.58-1,712,895.06-636,355.16

Finding the Fourth Proportional to 1,140,808.58, 1,712,895.06 and 636,355.16

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Solution

The fourth proportional to 1,140,808.58, 1,712,895.06 and 636,355.16 is: 955,471.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,808.58 : 1,712,895.06 = 636,355.16 : x
  2. Step 2: Convert to fraction form
    1,140,808.58/1,712,895.06 = 636,355.16/x
  3. Step 3: Cross multiply
    1,140,808.58x = 1,712,895.06 × 636,355.16
  4. Step 4: Simplify right side
    1,140,808.58x = 1,090,009,609,969.51
  5. Step 5: Solve for x
    x = 1,090,009,609,969.51/1,140,808.58
  6. Step 6: Final answer
    x = 955,471.08

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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.