Home / 1,303,465.02-1,798,852.80-730,689.18

Finding the Fourth Proportional to 1,303,465.02, 1,798,852.80 and 730,689.18

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Solution

The fourth proportional to 1,303,465.02, 1,798,852.80 and 730,689.18 is: 1,008,390.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,465.02 : 1,798,852.80 = 730,689.18 : x
  2. Step 2: Convert to fraction form
    1,303,465.02/1,798,852.80 = 730,689.18/x
  3. Step 3: Cross multiply
    1,303,465.02x = 1,798,852.80 × 730,689.18
  4. Step 4: Simplify right side
    1,303,465.02x = 1,314,402,277,372.70
  5. Step 5: Solve for x
    x = 1,314,402,277,372.70/1,303,465.02
  6. Step 6: Final answer
    x = 1,008,390.91

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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.