Home / 1,236,547.28-1,854,830.91-478,475.51

Finding the Fourth Proportional to 1,236,547.28, 1,854,830.91 and 478,475.51

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Solution

The fourth proportional to 1,236,547.28, 1,854,830.91 and 478,475.51 is: 717,717.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,547.28 : 1,854,830.91 = 478,475.51 : x
  2. Step 2: Convert to fraction form
    1,236,547.28/1,854,830.91 = 478,475.51/x
  3. Step 3: Cross multiply
    1,236,547.28x = 1,854,830.91 × 478,475.51
  4. Step 4: Simplify right side
    1,236,547.28x = 887,491,158,146.14
  5. Step 5: Solve for x
    x = 887,491,158,146.14/1,236,547.28
  6. Step 6: Final answer
    x = 717,717.12

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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.