Home / 1,249,295.28-1,724,041.20-676,347.60

Finding the Fourth Proportional to 1,249,295.28, 1,724,041.20 and 676,347.60

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Solution

The fourth proportional to 1,249,295.28, 1,724,041.20 and 676,347.60 is: 933,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,295.28 : 1,724,041.20 = 676,347.60 : x
  2. Step 2: Convert to fraction form
    1,249,295.28/1,724,041.20 = 676,347.60/x
  3. Step 3: Cross multiply
    1,249,295.28x = 1,724,041.20 × 676,347.60
  4. Step 4: Simplify right side
    1,249,295.28x = 1,166,051,127,921.12
  5. Step 5: Solve for x
    x = 1,166,051,127,921.12/1,249,295.28
  6. Step 6: Final answer
    x = 933,367.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.