Home / 1,145,795.29-1,580,539.59-715,328.08

Finding the Fourth Proportional to 1,145,795.29, 1,580,539.59 and 715,328.08

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Solution

The fourth proportional to 1,145,795.29, 1,580,539.59 and 715,328.08 is: 986,742.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,795.29 : 1,580,539.59 = 715,328.08 : x
  2. Step 2: Convert to fraction form
    1,145,795.29/1,580,539.59 = 715,328.08/x
  3. Step 3: Cross multiply
    1,145,795.29x = 1,580,539.59 × 715,328.08
  4. Step 4: Simplify right side
    1,145,795.29x = 1,130,604,346,327.34
  5. Step 5: Solve for x
    x = 1,130,604,346,327.34/1,145,795.29
  6. Step 6: Final answer
    x = 986,742.01

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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.