Home / 1,658,428.10-2,288,603.13-933,275.60

Finding the Fourth Proportional to 1,658,428.10, 2,288,603.13 and 933,275.60

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Solution

The fourth proportional to 1,658,428.10, 2,288,603.13 and 933,275.60 is: 1,287,904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,428.10 : 2,288,603.13 = 933,275.60 : x
  2. Step 2: Convert to fraction form
    1,658,428.10/2,288,603.13 = 933,275.60/x
  3. Step 3: Cross multiply
    1,658,428.10x = 2,288,603.13 × 933,275.60
  4. Step 4: Simplify right side
    1,658,428.10x = 2,135,897,459,312.63
  5. Step 5: Solve for x
    x = 2,135,897,459,312.63/1,658,428.10
  6. Step 6: Final answer
    x = 1,287,904.77

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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.