Home / 1,434,528-2,151,851.28-423,650.16

Finding the Fourth Proportional to 1,434,528, 2,151,851.28 and 423,650.16

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Solution

The fourth proportional to 1,434,528, 2,151,851.28 and 423,650.16 is: 635,492.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,528 : 2,151,851.28 = 423,650.16 : x
  2. Step 2: Convert to fraction form
    1,434,528/2,151,851.28 = 423,650.16/x
  3. Step 3: Cross multiply
    1,434,528x = 2,151,851.28 × 423,650.16
  4. Step 4: Simplify right side
    1,434,528x = 911,632,139,068.21
  5. Step 5: Solve for x
    x = 911,632,139,068.21/1,434,528
  6. Step 6: Final answer
    x = 635,492.75

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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.