Home / 1,249,207.28-1,870,973.04-977,643.44

Finding the Fourth Proportional to 1,249,207.28, 1,870,973.04 and 977,643.44

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Solution

The fourth proportional to 1,249,207.28, 1,870,973.04 and 977,643.44 is: 1,464,244.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,207.28 : 1,870,973.04 = 977,643.44 : x
  2. Step 2: Convert to fraction form
    1,249,207.28/1,870,973.04 = 977,643.44/x
  3. Step 3: Cross multiply
    1,249,207.28x = 1,870,973.04 × 977,643.44
  4. Step 4: Simplify right side
    1,249,207.28x = 1,829,144,518,972.86
  5. Step 5: Solve for x
    x = 1,829,144,518,972.86/1,249,207.28
  6. Step 6: Final answer
    x = 1,464,244.20

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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.