Home / 1,038,117.51-1,557,166.95-328,146.03

Finding the Fourth Proportional to 1,038,117.51, 1,557,166.95 and 328,146.03

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Solution

The fourth proportional to 1,038,117.51, 1,557,166.95 and 328,146.03 is: 492,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,117.51 : 1,557,166.95 = 328,146.03 : x
  2. Step 2: Convert to fraction form
    1,038,117.51/1,557,166.95 = 328,146.03/x
  3. Step 3: Cross multiply
    1,038,117.51x = 1,557,166.95 × 328,146.03
  4. Step 4: Simplify right side
    1,038,117.51x = 510,978,152,689.71
  5. Step 5: Solve for x
    x = 510,978,152,689.71/1,038,117.51
  6. Step 6: Final answer
    x = 492,216.10

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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.