Home / 1,459,547.30-2,187,352.65-978,407.30

Finding the Fourth Proportional to 1,459,547.30, 2,187,352.65 and 978,407.30

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Solution

The fourth proportional to 1,459,547.30, 2,187,352.65 and 978,407.30 is: 1,466,291.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,547.30 : 2,187,352.65 = 978,407.30 : x
  2. Step 2: Convert to fraction form
    1,459,547.30/2,187,352.65 = 978,407.30/x
  3. Step 3: Cross multiply
    1,459,547.30x = 2,187,352.65 × 978,407.30
  4. Step 4: Simplify right side
    1,459,547.30x = 2,140,121,800,434.35
  5. Step 5: Solve for x
    x = 2,140,121,800,434.35/1,459,547.30
  6. Step 6: Final answer
    x = 1,466,291.50

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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.