Home / 1,155,643.64-1,733,126.93-435,465.76

Finding the Fourth Proportional to 1,155,643.64, 1,733,126.93 and 435,465.76

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Solution

The fourth proportional to 1,155,643.64, 1,733,126.93 and 435,465.76 is: 653,071.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,643.64 : 1,733,126.93 = 435,465.76 : x
  2. Step 2: Convert to fraction form
    1,155,643.64/1,733,126.93 = 435,465.76/x
  3. Step 3: Cross multiply
    1,155,643.64x = 1,733,126.93 × 435,465.76
  4. Step 4: Simplify right side
    1,155,643.64x = 754,717,427,083.28
  5. Step 5: Solve for x
    x = 754,717,427,083.28/1,155,643.64
  6. Step 6: Final answer
    x = 653,071.07

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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.