Home / 1,190,624.40-1,643,014.53-707,176.71

Finding the Fourth Proportional to 1,190,624.40, 1,643,014.53 and 707,176.71

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Solution

The fourth proportional to 1,190,624.40, 1,643,014.53 and 707,176.71 is: 975,875.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,624.40 : 1,643,014.53 = 707,176.71 : x
  2. Step 2: Convert to fraction form
    1,190,624.40/1,643,014.53 = 707,176.71/x
  3. Step 3: Cross multiply
    1,190,624.40x = 1,643,014.53 × 707,176.71
  4. Step 4: Simplify right side
    1,190,624.40x = 1,161,901,609,807.60
  5. Step 5: Solve for x
    x = 1,161,901,609,807.60/1,190,624.40
  6. Step 6: Final answer
    x = 975,875.86

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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.