Home / 1,127,515.60-1,695,420.60-945,038.80

Finding the Fourth Proportional to 1,127,515.60, 1,695,420.60 and 945,038.80

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Solution

The fourth proportional to 1,127,515.60, 1,695,420.60 and 945,038.80 is: 1,421,034.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,515.60 : 1,695,420.60 = 945,038.80 : x
  2. Step 2: Convert to fraction form
    1,127,515.60/1,695,420.60 = 945,038.80/x
  3. Step 3: Cross multiply
    1,127,515.60x = 1,695,420.60 × 945,038.80
  4. Step 4: Simplify right side
    1,127,515.60x = 1,602,238,249,319.28
  5. Step 5: Solve for x
    x = 1,602,238,249,319.28/1,127,515.60
  6. Step 6: Final answer
    x = 1,421,034.22

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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.