Home / 1,178,478.40-1,765,903.20-877,547.20

Finding the Fourth Proportional to 1,178,478.40, 1,765,903.20 and 877,547.20

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Solution

The fourth proportional to 1,178,478.40, 1,765,903.20 and 877,547.20 is: 1,314,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,478.40 : 1,765,903.20 = 877,547.20 : x
  2. Step 2: Convert to fraction form
    1,178,478.40/1,765,903.20 = 877,547.20/x
  3. Step 3: Cross multiply
    1,178,478.40x = 1,765,903.20 × 877,547.20
  4. Step 4: Simplify right side
    1,178,478.40x = 1,549,663,408,631.04
  5. Step 5: Solve for x
    x = 1,549,663,408,631.04/1,178,478.40
  6. Step 6: Final answer
    x = 1,314,969.72

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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.