Home / 1,130,308.26-1,688,146.11-1,023,478.71

Finding the Fourth Proportional to 1,130,308.26, 1,688,146.11 and 1,023,478.71

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Solution

The fourth proportional to 1,130,308.26, 1,688,146.11 and 1,023,478.71 is: 1,528,593.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,308.26 : 1,688,146.11 = 1,023,478.71 : x
  2. Step 2: Convert to fraction form
    1,130,308.26/1,688,146.11 = 1,023,478.71/x
  3. Step 3: Cross multiply
    1,130,308.26x = 1,688,146.11 × 1,023,478.71
  4. Step 4: Simplify right side
    1,130,308.26x = 1,727,781,602,954.32
  5. Step 5: Solve for x
    x = 1,727,781,602,954.32/1,130,308.26
  6. Step 6: Final answer
    x = 1,528,593.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.